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Chip wafer laser marking and its cooling system

2023-02-10

Chip is the core technological product in the information era. It was born of a grain of sand. The semiconductor material used in the chip is monocrystalline silicon and the core component of sand is silicon dioxide. Going through the silicon smelting, purification, high temperature shaping and rotary stretching, sand becomes the monocrystalline silicon rod, and after cutting, grinding, slicing, chamfering and polishing, silicon wafer is finally made. Silicon wafer is the basic material for semiconductor chip manufacture. To meet the requirements of quality control and process improvement and facilitate the management and tracking of wafers in subsequent manufacturing testing and packaging processes, specific marks such as clear characters or QR codes can be engraved on the surface of the wafer or crystal particle. Laser marking uses high-energy beam to irradiate wafer in a non-contact way. While executing the engraving instruction quickly, the laser equipment also needs to be coole...

About S&A Chiller

S&A Chiller was founded in 2002 with many years of chiller manufacturing experience, and now is recognized as a cooling technology pioneer and reliable partner in laser industry. S&A Chiller delivers what it promises - providing high performance, highly reliable and energy efficient industrial water chillers with superior quality.

Our recirculating water chillers are ideal for a wide variety of industrial applications. And for laser application in particular, we develop a complete line of laser water chillers, ranging from stand-alone unit to rack mount unit, from low power to high power series, from ±1℃ to ±0.1℃ stability technique applied.

The water chillers are widely used to cool fiber laser, CO2 laser, UV laser, ultrafast laser, etc. Other industrial applications include CNC spindle, machine tool, UV printer, vacuum pump, MRI equipment, induction furnace, rotary evaporator, medical diagnostic equipment and other equipment that requires precise cooling.

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