Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe m.b.H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe m.b.H..The latest application filed is for "continuous liquid silicon recharging process in czochralski crucible pulling".
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe m.b.H. - Burghausen DE
| Patent | Date |
|---|---|
| Continuous liquid silicon recharging process in Czochralski crucible pulling Grant 5,242,531 - Klingshirn , et al. September 7, 1 | 1993-09-07 |
| Process for the wet-chemical treatment of semiconductor surfaces Grant 5,051,134 - Schnegg , et al. September 24, 1 | 1991-09-24 |
| Method and liquid preparation for removing residues of auxiliary sawing materials from wafers Grant 4,900,363 - Brehm , et al. February 13, 1 | 1990-02-13 |
| Process for the chemical vapor deposition of oxidic particles Grant 4,539,221 - Jacob , et al. September 3, 1 | 1985-09-03 |
| Process for the manufacture of semiconductor wafers with a rear side having a gettering action Grant 4,539,050 - Kramler , et al. September 3, 1 | 1985-09-03 |
| Device for treating gases at high temperatures Grant 4,536,642 - Hamster , et al. August 20, 1 | 1985-08-20 |
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