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

Paul William Dryer

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Carboxylic acid etching solution and method

Semiconductor device manufacturing: process – Chemical etching – Vapor phase etching
Patent

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Heater chips with silicon die bonded on silicon substrate...

Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate

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Method and apparatus for immersion cleaning of semiconductor dev

Cleaning and liquid contact with solids – Apparatus – With plural means for supplying or applying different fluids...
Patent

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Method and apparatus for immersion treatment of...

Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...
Reexamination Certificate

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Method and apparatus for immersion treatment of...

Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-430446

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