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Forming method of spheroid optical coupler transmission medium

A transmission medium and molding method technology, applied in the coupling of optical waveguides, electric solid devices, semiconductor devices, etc., can solve the problems of difficult operation, cumbersome process, and poor consistency of transmission ratio, so as to reduce the number of rework and improve production efficiency Effect

Active Publication Date: 2014-03-26
郑州兴航科技有限公司
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Problems solved by technology

[0002] The optocoupler used in the hybrid integrated circuit has a mainly vertical structure. The luminous tube and the photosensitive tube face to face (the anode of the luminous tube is facing the emitter of the photosensitive tube) and the assembly form is complex. The transmission ratio adjustment depends on moving the light-emitting tube and the photosensitive tube. The location of the space, the process is cumbersome, the operation is difficult, the transmission ratio is poor, and it is easy to cause damage to the bonding point of the circuit photosensitive tube and the light-emitting tube, which affects the long-term reliability of the optocoupler

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  • Forming method of spheroid optical coupler transmission medium

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Embodiment Construction

[0013] The present invention is described in further detail below in conjunction with accompanying drawing:

[0014] see figure 1 , the molding process method is to realize the electric-optical-electric conversion between the light-sensitive tube and the light-emitting tube between the light-emitting tube and the photosensitive tube assembled on the same plane. First, make proper ratio of the two-component insulating glue, and then on the assembled thick film substrate, according to the range of the transmission ratio required by the design, select the position of the spherical body, and then (80 ° C ~ 150 ° C) At a certain temperature, use self-made tools for one-time molding by drop coating to make a spherical medium with a moderate height (0.5mm-1.5mm) and a diameter (2.0mm-3.5mm), and realize light transmission and electro-optic through the diffuse reflection of the spherical surface - Conversion of electricity. The cross-sectional view of the planar optocoupler sphere s...

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Abstract

The invention discloses a forming method of a spheroid optical coupler transmission medium, comprising the following steps: firstly, fixing one end of a spheroid on a substrate; then, arranging a light-emitting tube and a light sensitive tube on the substrate; and next, selecting the forming position of the spheroid according to the range of a transmission ratio required by a design, and dropping and coating at the temperature of 80-150 DEG C for one-step forming to manufacture the spheroid optical coupler transmission medium. The method is simple to operate, the spheroid medium has no stress to a bonding wire, the operation is convenient, the hidden troubles that an optical coupler with a vertical structure is complex to operate and the bonding wire can easily suffer stress and damage are completely avoided, the transmission ratio of a manufactured planar optical coupler has good consistency, and the planar optical coupler can be used as an independent element to be screened and aged and can meet the requirement for high-grade quality.

Description

Technical field: [0001] The invention relates to a method for light transmission through a spherical body transmission medium between a luminous tube and a photosensitive tube on the same plane. Background technique: [0002] The optocoupler used in the hybrid integrated circuit has a mainly vertical structure. The luminous tube and the photosensitive tube face to face (the anode of the luminous tube is facing the emitter of the photosensitive tube) and the assembly form is complex. The transmission ratio adjustment depends on moving the light-emitting tube and the photosensitive tube. The position between them is cumbersome, the operation is difficult, the transmission ratio is poor, and it is easy to cause damage to the bonding point of the circuit photosensitive tube and the light-emitting tube, which affects the long-term reliability of the optocoupler. Invention content: [0003] In order to simplify the process, improve production efficiency, and improve the consiste...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L25/16G02B6/42
Inventor 席亚莉孟彬韩新娜
Owner 郑州兴航科技有限公司
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