PCB

Electronics

The Printed Circuit Board And Its Uses

Posted By Paige Chen

In the society today, people are dependent on their gadgets and home electronics to help ease hassles of daily life. Only few people know that inside these electronics, there is a “brain” which controls each function of machinery. In electronics, the printed circuit board is in charge of individual functions. The PCB fabrication method paved the way to mass produce gadgets and electronics and perform many functions.

Printed Circute bordAs technology progresses, people needed to devise ways to make the production of printed circuit boards faster. Through the use of computer-assisted design software, computer engineers are now able to design complicated PCBs without having to draw each layout manually. Now, factories can produce hundreds of electronics without having to manually solder each electronic component.

In a single device, there are usually more than five PCB. This is because a single PCB can only perform one function and because of the state-of-the-art features in electronics today, most PCBs are designed in a complex manner.

In this article, the printed circuit board, its uses and a bit about PCB fabrication will be discussed.

Have you ever dissected a cellular phone or any electronic device? Inside these things, you will find green boards that have electronic components such as capacitors and transistors. Each component is soldered carefully into the board which is made up of insulating materials to hold them together. On the board, there are also copper layers used as substrates to conduct electricity as they connect the electronic components together.

To know more about the printed circuit board and PCB fabrication, this article will be providing examples of its different uses.

It is widely known that printed circuit boards are used inside computers to take care of its processes. The brain of the computer, which is the motherboard, is actually a PCB that contains the main electronic components to make the computer run. The motherboard holds the components of the central processing unit and the memory of the whole system. Without this, the computer will not be able to work at all.

Through the use of electronic pathways, the motherboard is also connected to other printed circuit boards such as the video card, graphics card and sound card. Some people do not know that even the Random Access Memory, or simply RAM, is also a PCB that stores the temporary memory of the computer to make it run faster. These PCBs used in computers become more complex as the specsupgrade. Instead of a single copper layer used, the PCB would contain multiple layers connected to each other.

The brains of cellular phones also undergo PCB fabrication. Have you noticed that each year, newer models with better features are introduced to the market? This would mean that more complex PCBs are also introduced. PCB are installed in cellular phones to control the backlight, keypad and also the main system of the cellular phone. Even if the phone is not a smart phone, each process still takes place in its main PCB to send messages and place calls.

PCB

In home electronics, there are also printed circuit boards to control each function. As an example, when you look inside a microwave, behind the keypad lies the PCB which has the transistor which controls the on and off switch. The espresso machine also has a PCB to tell the machine the settings you punch in. Basically, anything that would require electricity to run has a PCB behind it.

As the inventions and innovations keep on coming, there would be more complex printed circuit boards to be developed by computer engineers. There is still a lot of untapped potential in the world of the printed circuit boards. Who knows, with a little more time, these PCBs could be enhanced to create something spectacular.

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Challenge Coins

Business

Challenge Coin: What Are They Made Of

Posted By Lucy Mcveigh

The use of challenge coins started in the military. It is used to signify membership and pride of belonging to military units. It was also used to recognize bravery and excellent military service. Officers would give these coins to inspire and boost the morale of their troops.

Challenge Coin

In recent years, the coins have found use outside of the military. Organizations would have their own custom challenge coins to denote membership and to honor the achievements of their members. Fire fighters, police departments and other service organizations would give special coins in a coin ceremony to recognize exemplary services.

Challenge coins have also been known to be given in recognition of certain services or in commemoration certain events. During the memorial of the 13 victims who died in the Fort Hood shooting incident in 2009, President Barack Obama had challenge coins specially minted to honor them.

 

What are custom challenge coins made of?

Coins are made from either zinc alloy cast or die struck bronze. Zinc alloy castings are low cost process, with relatively good quality. Challenge coins made through this process tend to lose its finish (patina) and expose the base metal over time, especially when used as a pocket coin. Zinc alloys are best used when the coins are for decorative purposes only, meant to be displayed and rarely worn.

Brass coins are made using the die struck bronze process. These are more expensive and a far more superior quality over the zinc alloy castings.

Base metals traditionally used in manufacturing challenge coins are brass or copper. A basic challenge coin is 3 millimeters thick and has a diameter of 1.5 inches. Some would prefer bigger versions, usually at 2-inch diameters. The finish would vary and designs can be simple or elaborate. Most of the work in manufacturing challenge coins is on the detail of the chosen design. Most of the details are painstakingly added by hand. The edges are diamond cut and made by machines.

 

A relatively new technology uses zinc alloys to create custom challenge coins with 3D design features. This new technique is becoming more in demand. The base metal used for 3D designs is copper.

Two main types of challenge coins are manufactured today. The hard enamel type uses hard baked enamels. The coin finish is smooth compared to the other type. The soft enamel type of challenge coin has a textured surface. The designs are stamped above the color-filled enamel. The main difference between the two types is in terms of the finishing process. Smooth finishes of the hard enamel type is done by polishing the raised metal areas until it is at the same level as the color fill of the enamel. In soft enamel coins, they are left unfinished or unpolished, giving them a textured feel.

Regardless of what process is used, each coin is hand turned. Only one coin is struck or made at a time.

Challenge Coins Characteristics

Custom coins are manufactured depending on the preference of the commissioning organization. A Pocket Coin is normally round, with dimensions of 38mm (diameter) by 2.5 mm (thickness). A Presentation Coin or Medallion is often made with dimensions of 45mm (diameter) by 3mm (thickness). Shapes range from round, oval, square, or multisided. Traditionally, they are in a circular or oval shape.

Finishes also vary. It ranges from simple pewter finishes to expensive 24-carat gold finish. Metal finishes can be brass, silver, gold, copper, nickel and bronze. There are also antiquated finishes. Colors are added on soft or hard enamel. Printed insets can be used, with an epoxy coating. The epoxy is scratch resistant and more resilient than metal surfaces.

Author Bio :

Visit Challengecoins4less for free coin quote and art request and order your own custom coin with affordable price and good quality.

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  • 4 months ago
Custom-Embroidered-Patches

Handicraft

Where to Buy Custom Embroidered Patches?

Posted By Bill Jackson

Planning to buy custom embroidered patches? Where should you start your search? Before starting to look for patches, let us first begin by identifying its different kinds. After identifying them, searching for the best place to shop for these items will be easier.

Custom Embroidered Patches

There are different kinds of custom embroidered patches. Here are just a few of them:
  • Embroidered Patches – This type is considered to be the most popular. This is usually found on bags, jackets, uniforms, and a lot more. These patches are embroidered on the fabric with the use of a thread. There are three coverage amounts for this – the 50%, 75%, and 100% embroidery. This percentage coverage refers to the amount of thread coverage the patch will have as compared to the amount of twill visible.
  • Woven Patches – These patches are used as replacements for the embroidered type. These make use of thinner thread woven together, instead of embroidering it to the fabric. The woven type is made of thread only and woven continuously into the design.
  • Printed Patches – This type involves printing of a design, photograph, or text into a blank fabric. It makes use of the dye sublimation process wherein ink is used to blend the design into the fabric. Therefore, there is no limitation as to the colors that you can use. You can use and experiment on various colors.
  • Name Patches – These are commonly found in workplaces wherein a name displayed is useful in identifying someone. You can order them online either as embroidered locally or as blank patches. Name patches are much cheaper than fully embroidered ones.
  • Blank Patches – These are used when groups, works shirts, or uniforms are on a tight deadline.  Since they do not have designs, it can easily be printed or embroidered in the blank twill.
  • Bullion Crest – This type is handcrafted by skilled craftsmen. Unlike embroidered patches, they are much thicker and sturdier.  Aside from the threads, other materials are added to it, such as wires, felt, velvets, beads and many more. You can find it in military uniforms, elite groups, and other groups. However, if you are in a hurry to get your patches right away, this is not the best choice.
  • Chenille Patches – These are often seen on sweaters and varsity jackets and are also usually offered as awards. This patch, also known as Lettermen, consists of two layers. The bottom layer is composed of felt while the upper layer is furry. These are used in creating letters, numbers, and even words.

What are the advantages of custom embroidered patches? One is that it is a way of making your clothing items even more attractive. It gives the person less time to do the labor of putting on the patch by himself. Some of these patches are done with the help of a machine. The reason for this is because there are specific backings that handmade embroidery cannot do.

 

What materials are used in making custom embroidered patches? A person will be amazed upon discovering the kinds of materials these custom patches are made of. Some commonly used materials include plastic, iron on, adhesive, pin, magnetic, and no backing patch. In iron on, the patches are placed or pasted on the cloth then pressed with the use of a hot iron.

Embroidered PatchesIn pin patches, a pin is attached to the patch so that it will stick to the cloth. In comparison to other kinds, this one is removable. In no backing patches, the threads at the back are open, making it easier to sew it on the cloth. An adhesive patch has adhesives on the back that you can remove so you can easily place it on the cloth. Lastly, magnetic patches have small magnets attached to the underside. This aids in allowing the patch to effectively stick to the material.

Where can they buy these custom embroidered patches? One of the best places to find them is online. In fact, you can find lots of reliable online shops offering these items – one of which is pathces4less.com. If you are interested to order patches, then check out the site. You can also pick up your phone now and get in touch with them.

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  • 6 months ago
Buying-Golf-Drivers

Shopping

A Peek at TaylorMade Golf Company’s Success Story

Posted By William Hawks

Golf is a fun, interesting, and challenging outdoor ball game. It is a game of skill and mind. The sport requires concentration and focus in every aspect. Imagine hitting a tiny ball with a long stick-like object to make it land exactly inside a series of small holes. It may sound so simple, but indeed, it’s a bit hard to do that. That’s why golfers need more than just guts and attitude to play. They also need high-quality golf gear to step up their games to higher levels.

The Golf Gear Brand that You Can Trust

Buying-Golf-DriversAs a golfer, you’d surely love to get your hands on one of the best golfing equipment in the sport. And what better brand is there than TaylorMade Golf? Professional and even amateur golfers turn to TaylorMade to satisfy all their golfing needs. The brand carries a plethora of golf-related merchandise from clubs, drivers, balls, putters to bags and golf apparel. These products aren’t just made for the sake of profit; they’re made for the sake of golf. TaylorMade produces high-quality products and equipment that surely satisfy each golfer who uses them. Interested about this amazing company? Read on and learn more about that golf brand that everyone trusts.

A Humble Start

TaylorMade Golf had its humble beginnings in the year 1979. It was conceptualized and brought to life by a golf professional’s son named Gary Adams. He envisioned a high-caliber golf equipment company that would serve the needs of golfers everywhere. Adams had an initial capital of $24,000 which was loaned off his home. He then leased a small building in Illinois which served as his factory and headquarters. With only three employees (including himself) and a single product, the new golf equipment company started its ascend in the golf industry.

 

One Innovative Golf Product

The only golf equipment that the TaylorMade Golf initially offered for sale was a 12-degree driver made from metalwood. It broke away from the traditional persimmon used in making drivers. The new metalwood driver was sleek and efficiently designed. It boasts of increased game functionality as well, as it can make launching the ball easier during an actual game. Adams himself created this driver and gained an estimate of $50,000 of profits from its sale in the first year of the company’s operations.

Merging with Other Companies

In the 1980s, Adams’ golf company merged with Salomon Group, a French sports equipment company. The two enterprises experienced a fruitful partnership and was able to grow in their respective industries. The partnership lasted until 1997, when Adidas acquired the Salomon Group. Now, TaylorMade Golf runs under the Adidas umbrella, focusing on producing high-caliber golf drivers as well as most golf equipment and accessories.

 

Rise to Success

golfTaylorMade is now widely known to produce quality golf equipment that professional golfers can trust. The company’s drivers and other accessory products are frequently used by PGA Tour Professionals and are hailed as the best golf products in the world. TaylorMade has sponsored a lot of golf champions in the globe, including Justin Rose and Si Woo Kim. They have succeeded in implementing their own company tenets – to be passionate about the golf sport and to deliver innovative products that are at par with world standards.

Current Products

At present, TaylorMade offers a wide range of golf equipment and merchandise such as clubs, drivers, golf balls, wedges, fairway woods, wedges, divot, golf bags, apparel, and other accessories. They have competitive prices that truly match their product’s level of quality and sophistication. Buying products from them is never a wrong turn as it is fit for a long-term investment, especially if you’re starting to get serious about golf.

Where to Buy

TaylorMade Golf products are available in leading sports and golf stores. If you’re looking for affordability and quality, check out TaylorMade products at rockbottomgolf.com. The shop offers attractive discounts and original products, making it the perfect one-stop-shop for all golfing needs. Head on to their site now and purchase your very own TaylorMade products now! Step up your golfing game with TaylorMade and rockbottomgolf.com.

If you’re looking for affordability and good quality Taylor Made sports Accessories, Check out TaylorMade Golf Accessories at rockbottomgolf.com.

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  • 8 months ago

Motivation

How to Become a Good Keynote Speaker

Posted By Glenda Douglas

Some people are born to be good speakers while others have to struggle to become skilled in public speaking. The good thing about this is that this means that everyone has a chance to build a career as a keynote speaker.

We have outlined a few tips on how aspiring keynote speakers will be able to achieve their dreams.

Decide that you want to be a Keynote Speaker

The very first step that you must do is acknowledge the fact that you want to become good at speaking in public. No one can become a good speaker without coming to the realization that he desires to be recognized a speaker. It does not matter if at present you are not that confident in speaking in front of other people.

Keynote-Speaker

The reason why it is important that you recognize first your desire to become a speaker is because it will be your staring point. The moment that you have recognized this desire, your actions will be guided to paths that will lead you to your dream.

It will be easy for you to find the paths that will lead you to a common goal if you already know what you want in life. Let us not focus yet if you have the qualities of a good speaker or not, we will get to a point wherein you will start to develop the necessary skills needed to be a good speaker.

 

Study the Lives of the Famous Speakers

One of the best ways to achieve your dream of becoming a good speaker is to study and read about the lives of the famous speakers. Read about the lives of the experts and learn from them.

If you have a chance of talking to any of them, talk to them. Ask them questions about anything that you want to know on how to become a great keynote speaker. Successful people are always more than willing to talk about their life stories with others.

Take advantage of possible opportunity that you might have in finding out about the lives of successful speakers. You will find inspiration in finding out that some of them did not have smooth start at the start of their careers.

Success is not built overnight. Many of the successful and famous speakers have to struggle and work their way up to get to where they are now. You might even be surprised to find someone who might have a start very similar to yours.

Read about the common mistakes made by famous and speakers to help you committing the same mistake. Learn about the most commonly encountered challenges by the speakers to help you advance in your career faster.

Learn from the best speakers by studying their lives. Find out about how they have become the successful in what they do.

 

Watch how the Great Speakers Deliver their Speech

Since keynote speech is mainly about talking. Try watching videos or real life performances famous speakers. Keenly observe their manner of talking and communicating with the audience. You will notice that great speakers have a certain way with words and they have a certain way of talking that captures attention of the audience.

A keynote speaker might be invited to talk about a topic that he just found out about a week prior to the speech but when he talks, everyone in crowd are made to believe that he is an expert about the topic. Little do the audience know that the person talking in front of them has just been paid to discuss it with them. In most cases, it is people listen to someone not because of how much a person knows about something but because of how a person delivers the message.

Keynote SpeakerIt is therefore important that if you want to be a good speaker, try to mimic the same approach and charisma that successful speakers have. Observe a speaker during a speech and study his actions, try to figure out if what draws your attention to that person and try to copy that same action or approach. It does not mean that you will be an impersonator of speakers but just try to copy it so you will know how you feel about it and if it works for you. Eventually you will learn to develop your own style of delivering a speech.

Becoming a good keynote speaker does not happen overnight. It might involve a lot of work but if you really want to become one, then do everything to learn as much as you can about the profession.

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  • 8 months ago
research-chems

Research Chemicals

Research Chemicals Overview

Posted By Beverly Hodges

downloadThere’s still much to be discovered, and that is why experimentation never stops. Science is an important key to the progress of humanity. Not only does it shed light on misconceptions, it also provides solutions that will make the world a better place. In order for progress to take place, research and experimentation must be done. Research and experimentation will require scientists and students, control groups, and a lot of chemicals. For this need, there are research chemicals for sale.

  • What are Research Chemicals?

Research chemicals are compounds that are meant to be used for research. A number of these chemicals are being used not just on animals but also on human subjects. However, manufacturers cannot explicitly state that the research chemicals for sale are safe for human consumption. Unlike other “tested and approved” substances on the market, research chemicals don’t have guaranteed effects because they have failed to produce consistent results in one or two tests (meaning they can’t be approved or labeled as safe for human use by the FDA). The effects of research chemicals are not fully documented because of the lack of clinical trials. When research chemicals are tested on humans, scientists are taking a great risk.

Even research chemicals for sale have not completed the phase I, II and III trials. Most research chemicals fail on phase III trials. As a result, the FDA will not approve its intended use. Research chemicals have no safety data approval from the FDA just because they failed to pass the set standards. Despite this, some research chemicals are still being personally used by individuals as testosterone boosters or muscle builders. What the research chemicals lack is an FDA approval and more studies that prove their efficacy and safety.

ChamicalSome people have achieved success in using research chemicals for bodily gains. Not all research chemicals can be safely administered to humans, but they can be legally distributed. Besides, these chemicals are not meant for human use so manufacturers do not assume responsibility for the possible health hazards caused by their chemicals. Manufacturers are only legally required to list down the chemical values on the label and box. Some include an informational leaflet, some do not. The successful administration of these substances depends on the person.

  •  Are Research Chemicals Illegal?

The research chemicals for sale are not illegal. However, countries have their own specific restrictions when it comes to shipping customs. Some countries and states declare some research chemicals as illegal. This would lead their customs to prevent the delivery of these chemicals to the recipient. Moreover, they might interrogate the addressee and press legal charges. It is legal to send research chemicals as long as they will be declared only as such. However, there are some states that are strict with possession of these substances. If you plan on ordering, check with your state’s ordinances.

  • Buying Research Chemicals

ChamicalResearch chemicals are not banned. They are open for development and further trials. In fact, they are helpful in developing new drugs that can cure various health conditions. In reality, most of these chemicals are not being used for research purposes. This frees the manufacturer and distributor from any liabilities. Before buying any research substances, it is recommended to read the company’s terms and conditions to know the liabilities of the company.

  • Do they offer a return policy?

What modes of payment do they accept? Most companies don’t entertain orders from individuals younger than 18 years old. Make sure that the company will keep your name and shipping address discreet. For your own safety, check your country’s or state’s laws about these chemicals.

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