Fishing – trapping – and vermin destroying
Patent
1988-02-12
1990-01-16
Larkins, William D.
Fishing, trapping, and vermin destroying
357 72, 437209, 437211, 437213, 437215, H01L 2156
Patent
active
048947075
ABSTRACT:
A semiconductor device having a light transparent window includes: a wall produced at an outer contour of a light receiving section on the surface of a semiconductor chip, the molding resin which is produced after a process of inserting the chip in a metal mold. The wall and the metal mold adhere with each other for producing a space between the chip and the metal mold so that a light transparent window is produced at a light introduction section in a separate position from the wall above the chip.
REFERENCES:
patent: 4697203 (1987-09-01), Sakai
"The Development of the Molded Cavity Package with Optical Window" By Takashi Kondoh et al., IEEE Publication, pp. 47-52.
Kondo Takashi
Yamawaki Masao
Larkins William D.
Mitsubishi Denki & Kabushiki Kaisha
Soltz David
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