Radiant energy – Photocells; circuits and apparatus – Signal isolator
Reexamination Certificate
2007-04-13
2010-02-09
Epps, Georgia Y (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Signal isolator
C250S239000, C257S080000, C257S081000, C257S082000
Reexamination Certificate
active
07659531
ABSTRACT:
A method is disclosed. The method includes forming a substrate with a leadframe and a molding compound. The molding compound fills internal spaces in the leadframe and forms a dam structure. An optical emitter and an optical receiver are placed on the substrate. An optically transmissive medium is formed between the optical emitter and optical receiver.
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Choi Yoon Hwa
Kwon Yong Suk
Quinones Maria Clemens Y.
Epps Georgia Y
Fairchild Semiconductor Corporation
Townsend and Townsend / and Crew LLP
Wyatt Kevin
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