Molded range and proximity sensor with optical resin lens

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United States of America Patent

PATENT NO 11693149
SERIAL NO

17411948

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for forming a molded proximity sensor with an optical resin lens and the structure formed thereby. A light sensor chip is placed on a substrate, such as a printed circuit board, and a diode, such as a laser diode, is positioned on top of the light sensor chip and electrically connected to a bonding pad on the light sensor chip. Transparent, optical resin in liquid form is applied as a drop over the light sensor array on the light sensor chip as well as over the light-emitting diode. After the optical resin is cured, a molding compound is applied to an entire assembly, after which the assembly is polished to expose the lenses and have a top surface flush with the top surface of the molding compound.

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Patent Owner(s)

  • STMICROELECTRONICS (RESEARCH & DEVELOPMENT) LIMITED; STMICROELECTRONICS PTE LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Christison, Eric Edinburgh, GB 10 65
Price, Andy Bonnyrigg, GB 11 69
Wong, Wing Shenq Singapore, SG 17 127

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