Reflective type photointerrupter
AssigneeSharp Kabushiki Kaisha
InventorsTetsuya Hanamoto, Masumi Nakamichi, Masahiko Kimoto, Shohichi Kato, Shoichi Kondo
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Abstract
A reflective type photointerrupter including: a resin case formed with a light emitting chip mounting recess and a light receiving chip mounting recess; a metallic deposit wiring formed in the recesses; and a light emitting chip and a light receiving chip respectively mounted on the light emitting chip mounting recess and the light receiving chip mounting recess and sealed with a resin material; the recesses being arranged in side-by-side relation and partitioned by an intermediate wall.
Claims13
A reflective type photointerrupter including a light emitting chip and a light receiving chip for emitting light to hit an object and for receiving reflected light, said photointerrupter comprising:
- a leadless resin case formed with an emitting chip recess for mounting the light emitting chip and a receiving chip recess for mounting the light receiving chip, the case having an intermediate wall which separates the two recesses, the two recesses being formed whereby the two chips are positioned side-by-side across the intermediate wall;
- metallic deposit wirings formed to cover a partial area of each recess and extended to run over a top face, side face, and bottom face of the resin case, wherein the emitting chip and the receiving chip are each placed in the respective recesses to rest on the metallic deposit wirings, and sealed with a transparent resin.
Dependencies are inferred from the claim text.