Posts made in April 2020

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.