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Document Type and Number:
Japanese Patent JPH0766446
Kind Code:

PURPOSE: To dispense with a die for forming a shielding material, to facilitate changing the shape and position of a window, and to enable the width of the window smaller, by providing a shielding member formed by depositing shielding material in a preset thickness thereto on the surface of a translucent resin.

CONSTITUTION: In the case of a reflective photo interrupter, a light emitting device 1 and a light receiving device 2 are mounted on the same lead frame 4 and internally connected via gold line 5. And when it is completed as a finished product, a lead frame 9 for connection is provided to prevent a mold body on the light emitting side from separating from a mold body on the light receiving side. After this is molded in a translucent resin 3, it is coated by a shielding member 10 which is a shielding type paint or metal. If the shielding member 10 is the paint, a method of spraying, printing, dropping or dipping it into the paint can be considered. Also, if it is the metal, it can be formed by vacuum evaporation or plating.

Application Number:
Publication Date:
March 10, 1995
Filing Date:
August 31, 1993
Export Citation:
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International Classes:
H01L31/12; (IPC1-7): H01L31/12
Attorney, Agent or Firm:
梅田 勝

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