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What Is High-Precision Wafer Dicing?

Silicon Wafer DicingOne of the most significant advances in electronics manufacturing is silicon wafer dicing. Wafers form the basis of semiconductors, microchips, and many electronic devices. To provide a general overview of the process, dicing involves high-speed saws that cut precise dies from the silicon wafer. The resulting dies are then placed in printed circuit boards or another electronic device.

 

Wafer dicing is an automation-focused process, as the cuts for wafers need to be made to exacting specifications. Many dies find purpose in computers, and also in sophisticated machinery used in the medical and defense industries.

 

One process, known as “high-precision wafer dicing,“ involves the cutting of silicon wafers to very small sizes. High-precision production methods can craft silicon dies for devices as little as 0.2mm. The wafers used in these manufacturing procedures can be as thin as 0.02mm

 

Silicon wafer dicing uses two machines to make die cuts. One method might utilize dual saw blades. Another might use a laser to etch out the dies. No matter the process, all steps must be overseen by computers to ensure accuracy and consistency. Another inspection crew conducts the final inspection to verify the dies. Diced wafers that do not pass inspection may be sent for reclaiming so that the materials can be used in another product.

 

Silicon wafer dicing utilizes advanced technology to create the innovations of tomorrow. Contact an experienced polishing company to learn about their dicing capabilities.

Finding a New Use for Rejected Wafers

Rejected WafersSilicon wafers are the building blocks of computer chips, circuit boards, and many electrical devices. While silicon is an exceptional material, it has limitations. Given the precise and exacting production standards of the manufacturing industry, it is not uncommon to have many wafers get rejected daily.

 

That doesn’t mean erroneous batches can never be reused, however. Many polishing companies offer wafer reclaiming services. This is a process that takes off layers of silicon to create a like-new service. This allows the wafers to be used in other projects instead of immediately filling a scrap heap. The wafer reclaiming process has several steps:

  • Receiving
  • Incoming Inspection
  • Presort
  • Stripping and Etching
  • In-Process Quality Assurance
  • Polishing
  • SC1/SC2 Clean Spin/Rinse/Dry
  • Visual Inspection
  • Final Inspection and Quality Assurance

 

Polishing companies will accept a batch of rejected wafers and inspect them to determine if they are salvageable. When they have been approved, they go through the procedure. Reclamation uses a combination of polishing and chemical processes to remove old films and etchings. Then, the batch goes through a final inspection before being re-issued for another production run.

 

Refurbished silicon wafers will be thinner than their new counterparts. However, they can still find use in other applications. When refining your initial production processes at your facility, you may want to consider wafer reclaiming services that can give rejected runs a new purpose.

Methods of Cleaning Silicon Wafer

Silicon Wafer ManufacturerSilicon wafers are the heart of many devices thanks to their use in semiconductors. Most people are aware of that fact, but most aren’t aware that these components are incredibly delicate and need specialized cleaning so they can be used as intended.

 

At Polishing Corporation of America, we are a silicon wafer manufacturer that knows the ins-and-outs of cleaning wafers, and we’re happy to share that knowledge here.

 

The first thing you need to know is that wafers can become contaminated through simple exposure to the air. Their robust electrostatic forces are directly at odds with organic particles in the air, and that’s why they require precise cleaning before they can put into use.

 

Using solvents is an instrumental first step for cleaning wafers, but it leaves a residue itself. Applying acetone removes oils and organic compounds while following that with methanol removes the acetone.

 

Next, the silicon wafer manufacturer uses an RCA-1 cleaning bath of ammonium hydroxide and water to remove additional organic compounds. This creates a thin oxide layer on the wafer.

 

Finally, to remove the oxide layer, the manufacturer takes one more step to clean the silicon wafer. This involves using a hydrofluoric acid dip to remove the oxide layer. This three-step process is useful for eliminating contamination and can be used by manufacturers both large and small.

Silicon Wafers and Metal Deposition

Thin Film Deposition ServicesYour metallic deposition requirements are unique, and your specifications need to be met to ensure the functionality and service that you expect. If you are looking for a company that offers dependable thin film deposition services, then you should consider one that provides silicon wafers for metal deposition.

 

A company such as ours at Polishing Corporation of America has a great deal of experience in providing thin layers up to multi-layered films, and we’re going to give some insight here on silicon in particular.

 

You want to choose to work with a supplier that delivers films of various metals deposited to precise tolerance thicknesses. In this way, you can be assured that the process does not alter the chemical composition of the metal during the thin film deposition services.

 

Two of the most effective ways to deposit thin metallic layers onto a silicon substrate are sputtering and evaporation. Sputtering uses a furnace and charged plates to deposit the target material. Evaporation is a very popular metal deposition method thanks to its cost-effectiveness and relative simplicity. Both ways provide dependable results that deliver the level of predictability and uniformity to meet the most exacting needs. Your choice will depend on your needs and budget.

Methods of Silicon Wafer Dicing

Silicon Wafer DicingSilicon is the basic building block in modern integrated circuit manufacturing. Through the process of silicon wafer dicing, electronics manufacturers have a powerful tool in creating lightning-fast devices and technological innovations. In this post, we will discuss some of the leading dicing methods in the industry.

 

The first method is known as stealth dicing. In this process, the silicon wafer die is mounted to an adhesive. Semi-transparent light waves penetrate the substrate surface and etch the die from the inside out. Computer-assisted technology carries out the dicing process to minimize errors. This method is particularly effective since it reduces the likelihood that excess substrate or particles may interfere with the dicing process.

 

Another method is the scribing method. Scribing uses a blade, normally made from diamond, to apply enough force to the wafer to barely scratch it. The force of the scratching presses the wafer against the die, producing the desired dicing pattern. This method is relatively quick compared to other scribing methods.

 

Advances in silicon wafer dicing have made it easy for electronics manufacturers to create faster and more advanced devices. Technology related to semiconductor and microchip manufacturing is always advancing, which paves the way for further innovation. Manufacturers are encouraged to request a consultation with wafer dicing companies to learn more about their options.

Silicon Wafer Uses

Silicon Wafer

Silicon wafer suppliers provide a wealth of materials for manufacturers in the electronics industries. This material is highly versatile and sought after for its strength and versatility. What are silicon wafers, and what are their uses? This blog post will provide some important insight into these questions.

 

Silicon wafers are materials utilized for semiconductor production, which is utilized in a variety of electronics. As its name suggests, these wafers are crafted from silicon, one of the most abundant elements in existence. When processed and pressed into wafer form, this material is extremely clean and exudes a mirror-like shine. It is free of micro-particles, making it the ideal substrate for semiconductors.

 

These wafers have two uses. The first and most common use is in semiconductors. Thanks to silicon’s conductivity at both high and low temperatures, silicon can pass electrical currents easily and efficiently. Silicon’s highly conductive properties allow it to be used in the production of microchips and other electronic devices.

 

Silicon wafers make the primary component of integrated circuits. As such, they are the building block of computer parts, smartphones, and mobile devices.

 

Silicon wafer suppliers allow electronics manufacturers to produce devices that make our lives more exciting. By investing in quality silicon, you take smart steps to improving the production of your gadgets and innovations.

All About Polished Sapphire Wafers

Polished Sapphire WafersAs technology advances and spreads all over the world, polished sapphire wafers are quickly becoming a more and more important segment of the semiconductor market. The volume of these wafers has drastically increased as more companies realize their many benefits and applications, including hybrid microelectronics, radiation resistance, infrared detection, and so much more.

 

The secret behind synthetic sapphire’s utility is its hexagonal crystalline form. This structure creates a durable, monoaxial, and highly heat-resistant material that is harder than the vast majority of materials, excluding diamond and silicon carbide. Reach out to Polishing Corporation of America (PCA) to learn everything you need to know about sapphire wafer polishing.

 

The Benefits of Synthetic Sapphire

There are many reasons why synthetic sapphire is an ideal material for the manufacturing of polished sapphire wafers. Sapphire’s impressive hardness and thermal resistance allow it to be easily and safely used in a wide range of applications. Additionally, as a chemically inert substance, it is resistant to attack in many different processing environments, including hydrofluoric acid and fluorine plasma–two environments that form an integral part of the semiconductor wafer industry.

 

The professionals at PCA have developed a process that allows us to process synthetic sapphire substrates nine times easier than before, meaning you can take advantage of this incredible material today. Call now for more information about polished sapphire wafers.

Your First-Choice Silicon Wafer Manufacturer

Silicon WaferIn the world of semiconductors and electronics wafers, there’s only one name you need to remember: Polishing Corporation of America (PCA). Since 1969, professionals and companies from a wide range of industries and applications have chosen PCA as their first-choice silicon wafer manufacturer. That’s more than 50 years as a leading name in the industry.

 

Our story began as an independent germanium and silicon wafer manufacturer in California, and today we have grown into a respected and well-known company in the heart of Silicon Valley. Our facility contains more than 27,500 square feet of space, many class-10 clean rooms, and an impressive array of cleaning and inspection equipment. Don’t hesitate to contact us for more information about silicon wafer manufacturing.

 

Creating the Future

Since the very beginning of the semiconductor industry, Polishing Corporation of America has been looking ahead to the future. We’re always ready to meet and take on the latest advancements the industry has to offer. This forward-thinking approach allows our clients to stay at the forefront of their specialty area. Our customers appreciate that they can depend on PCA for high-quality wafers as they move toward the future. Contact PCA today for more information about our work as a silicon wafer manufacturer.