Method for manufacturing high efficiency light-emitting diodes

Details Method for manufacturing high efficiency light-emitting diodes Method for manufacturing high efficiency light-emitting diodes

2006-11-21

2010-10-12

Menz, Douglas M (Department: 2891)

Semiconductor device manufacturing: process

Making device or circuit emissive of nonelectrical signal

Substrate dicing

C438S022000

Reexamination Certificate

active

07811845

ABSTRACT:
A method for manufacturing a light-emitting device comprising the steps of cutting a light-emitting unit by a laser beam, and cleaning the light-emitting unit by an acid solution to remove by-products resulted from the laser cutting.

REFERENCES:
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patent: 6298079 (2001-10-01), Tanaka et al.
patent: 6468902 (2002-10-01), Kawai
patent: 6605548 (2003-08-01), Bardwell
patent: 6849524 (2005-02-01), Shelton et al.
patent: 2005/0221515 (2005-10-01), Yanashima et al.
patent: 2008/0070380 (2008-03-01), Kusunoki

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