4. Music
  5. Instruments
  6. Stringed

Chang-Hui Chen

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Adjustment for drum snare

Music – Instruments – Drums
Patent

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Anti-rotation counterhoop-fixing structure for drum

Music – Instruments – Drums
Reexamination Certificate

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Extended low frequency resonant structure for drumhead

Music – Instruments – Drums
Reexamination Certificate

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In situ plasma clean for tungsten etching back

Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Patent

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Method for manufacturing metal plug

Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1365832

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