Method of fabricating an optical semiconductor package and...

Details Method of fabricating an optical semiconductor package and... Method of fabricating an optical semiconductor package and...

2006-02-07

2006-02-07

Nhu, David (Department: 2818)

Semiconductor device manufacturing: process

Making device or circuit responsive to nonelectrical signal

Responsive to electromagnetic radiation

C438S030000, C438S075000

Reexamination Certificate

active

06995033

ABSTRACT:
Method of fabricating an optical semiconductor package and optical semiconductor package containing an integrated circuit chip having on a front face an optical sensor and electrical connection regions distributed around this sensor, in which a transparent patch (6) lies in front of the front face of the chip without covering the electrical connection regions of this chip, plates (2, 7) defining between them a cavity (10) in which the said chip and the said patch are stacked and which have annular assembly faces (2a, 7a), electrical connection pads (15) are placed between the said electrical connection regions and one face (12) of the said cavity, electrical connection tracks (14) are carried by a plate (7) and lie on the said face (12) of the cavity in order to be in contact with the said pads, an adhesive layer (18) flying between the said assembly faces (2a, 7a), the said tracks (14) protruding in order to pass between the assembly faces of the said plates with a view to external connections and the plate located at the side of the said patch comprising an aperture located opposite the optical sensor.

REFERENCES:
patent: 4760440 (1988-07-01), Bigler et al.
patent: 4855808 (1989-08-01), Tower et al.
patent: 5352852 (1994-10-01), Chun

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