Fishing – trapping – and vermin destroying
Patent
1993-04-02
1994-12-27
Thomas, Tom
Fishing, trapping, and vermin destroying
437 50, 437185, H01L 3118
Patent
active
053765583
ABSTRACT:
A method for fabricating a semiconductor image pickup device for detecting a light image includes a step of forming an array of detector elements, each of which generates an electronic signal in response to light incident thereto, and a step of forming a light absorbing layer which is situated to optically isolate each of the detector elements. The array of detector elements in the light absorbing layer can be formed on a substrate. In one embodiment, the light absorbing layer is produced by forming a first layer contacting with each of the detector elements which has a first refractive index, forming a second layer contacting with the first layer which has a second refractive index greater than the first refractive index of the first layer, and forming a metal layer contacting with the second layer. By forming the light absorbing layer in this manner, the array of detecting elements can be optically isolated from each other so that problems such as cross-talk, for example, can be reduced.
REFERENCES:
patent: 4570329 (1986-02-01), Paine et al.
patent: 4766084 (1988-08-01), Bory et al.
patent: 4972244 (1990-11-01), Buffet et al.
patent: 5188970 (1993-02-01), York et al.
Hikida Soichiro
Sudo Gen
Chaudhari Chandra
Fujitsu Limited
Thomas Tom
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