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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ikeda; Kiyoshi
Address:
Mie, JP
No. of patents:
2
Patents:












Patent Number Title Of Patent Date Issued
7072485 Method for manufacturing diaphragm for loudspeaker, diaphragm for loudspeaker made thereby, and July 4, 2006
A meshed etching tunnel made of aluminum is disposed inside a cylindrical quartz reactive chamber, and speaker diaphragms are aligned inside the tunnel at a certain interval. Opposing electrodes are disposed outside the reactive chamber. Plasma is applied at low temperature to prevent
6627140 Method for manufacturing diaphragm for loudspeaker September 30, 2003
A meshed etching tunnel made of aluminum is disposed inside a cylindrical quartz reactive chamber, and speaker diaphragms are aligned inside the tunnel at a certain interval. Opposing electrodes are disposed outside the reactive chamber. Plasma is applied at low temperature to prevent he










 
 
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