4. Semiconductor device manufacturing: process
  5. Chemical etching
  6. Vapor phase etching

Joseph P Caulfield

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Highly selective process for etching oxide over nitride...

Etching a substrate: processes – Gas phase etching of substrate – Application of energy to the gaseous etchant or to the...
Reexamination Certificate

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In-situ integrated oxide etch process particularly useful...

Semiconductor device manufacturing: process – Chemical etching – Vapor phase etching
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Process for etching oxide using a hexafluorobutadiene and...

Etching a substrate: processes – Gas phase etching of substrate – Application of energy to the gaseous etchant or to the...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2448168

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