Background: Black quartz glass for ultra-clean chips

Heraeus Black Quartz

Heraeus has developed a specially colorized quartz glass consisting exclusively of silicon and oxygen and absorbing and radiating heat without conducting it within the quartz glass body.

These properties are very interesting for the semiconductor industry: Even the tiniest trace impurities during manufacturing will result in a defective microchip, which is then unusable. Traditional colorized quartz materials contain device killing elements such as tungsten or carbon.

HBQ® (Heraeus Black Quartz) provides an over-all impurity level of below 20ppm like other natural quartz materials which makes it suitable for sensitive semiconductor applications.

Heraeus Quarzglas Germany closes the material gap for heat radiation control in process chambers. HBQ® offers a high absorption of over 95 percent in a wide range of wavelength from UV, through visible to mid-IR (heat radiation), and emissivity values of beyond 90 percent which is a unique property in the group of silicon dioxide based materials.

With these properties HBQ® represents a new option in heat management applications. The quartz glass is also used in special light sources from Heraeus to ensure homogeneous heat dissipation – those are used in semiconductor manufacturing or for vacuum processes in photovoltaics.

Heraeus Quarzglas is the only supplier offering materials for full heat radiation control with transparent, reflective or absorbing properties, meeting the highest purity standards of semiconductor applications.

Heraeus Holding GmbH
Heraeusstr. 12 – 14
63450 Hanau
Germany
Phone: +49 (0) 6181/35-0
Fax: +49 (0) 6181/35-31 31
E-Mail: pr@heraeus.com

Media Contact

Markus Bulgrin Heraeus Holding GmbH

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