Hans W. Piekaar

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Utrecht, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a flow of triisobutylaluminum from liquid trii...
- Patent number 5,354,433
- Issue date Oct 11, 1994
- ASM International N.V.
- Ernst H. A. Granneman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and apparatus for depositing a layer on a substrate
- Patent number 5,294,572
- Issue date Mar 15, 1994
- ASM International N.V.
- Ernst H. A. Granneman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for halide etching in the presence of water of semi-conducto...
- Patent number 5,167,761
- Issue date Dec 1, 1992
- ASM International N.V.
- Johannes F. M. Westendorp
- H01 - BASIC ELECTRIC ELEMENTS