Semiconductor device, light-receiving module and method for manu

Details Semiconductor device, light-receiving module and method for manu Semiconductor device, light-receiving module and method for manu

1998-03-20

1998-11-24

Bacares, Rafael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359163, 257433, 385 91, 385 93, H04B 1000

Patent

active

058415653

ABSTRACT:
It is an object of the invention to provide a light-receiving module, in which characteristic of a semiconductor amplifier unit mounted thereon is inspected on the course of fabrication and an outside photosensor do not come to nothing, and a method for fabricating the same. In the package of the light-receiving module, a semiconductor chip, which comprises an amplifier and a inside photosensor for inspecting it, and an outside photosensor for receiving a light signal are allocated. First, the inside photosensor is irradiated with a light for inspecting amplifier, and the output of the amplifier is investigated. In case that the amplifier is recognized as normal, an Al pattern communicated with the input port of the amplifier is cut, and the output port of the outside photosensor is connected with the input port of the amplifier by a bonding wire. Thus, the light-receiving is completed. In case that the amplifier is recognized as inferior, fabrication process is discontinued, and then, circuit elements necessary for fabrication dose not come to nothing.

REFERENCES:
patent: 5537503 (1996-07-01), Tojo et al.
patent: 5574289 (1996-11-01), Aoki et al.
patent: 5712504 (1998-01-01), Yano et al.
patent: 5786589 (1998-07-01), Segawa et al.

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