Inventor · disambiguated record
Helene Prigge
Also filed as: PRIGGE HELENE
8 granted patents·302 citations·filing 1988–1990
90Inventor score
Files withWACKER CHEMITRONIC8
Top patents by PatentIndex Score
8 records- 0185US5051117AProcess for removing gaseous contaminating compounds from carrier gases containing halosilane compoundsWACKER CHEMITRONIC·Filed 1990·Granted Sep 24, 1991·60 cites·12 claims
- 0282US4968381AMethod of haze-free polishing for semiconductor wafersWACKER CHEMITRONIC·Filed 1988·Granted Nov 6, 1990·65 cites·8 claims
- 0378US4973563AProcess for preserving the surface of silicon wafersWACKER CHEMITRONIC·Filed 1989·Granted Nov 27, 1990·49 cites·8 claims
- 0478US4971654AProcess and apparatus for etching semiconductor surfacesWACKER CHEMITRONIC·Filed 1988·Granted Nov 20, 1990·61 cites·9 claims
- 0564US5167667AProcess for treating polishing cloths used for semiconductor wafersWACKER CHEMITRONIC·Filed 1990·Granted Dec 1, 1992·22 cites·6 claims
- 0658US5110428AProcess and apparatus for double-sided chemomechanical polishing of semiconductor wafers and semiconductor wafers obtainable therebyWACKER CHEMITRONIC·Filed 1990·Granted May 5, 1992·31 cites·9 claims
- 0741US4892568AProcess for removing n-type impurities from liquid or gaseous substances produced in the gas-phase deposition of siliconWACKER CHEMITRONIC·Filed 1989·Granted Jan 9, 1990·7 cites·10 claims
- 0834US5164323AProcess for the surface treatment of semiconductor slicesWACKER CHEMITRONIC·Filed 1990·Granted Nov 17, 1992·7 cites·6 claims
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