Method of producing a contact system on the rear of a...

Semiconductor device manufacturing: process – Bonding of plural semiconductor substrates

Reexamination Certificate

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Details

C438S618000, C257SE21505

Reexamination Certificate

active

07101773

ABSTRACT:
The present invention relates to a process for making a contact point (8) on the rear surface of a component including at least one first substrate (10) with at least one active region (12) and at least one second substrate (20) for protecting the active region. In accordance with the invention, a second substrate of a non-insulating material is used and at least one through insulation trench (21) is made in it surrounding a part (22) of this substrate, said part being in contact with the active region when the first and second substrates are assembled.Application to sensor conditioning.

REFERENCES:
patent: 5987989 (1999-11-01), Yamamoto et al.
patent: 6065341 (2000-05-01), Ishio et al.
patent: 6338284 (2002-01-01), Najafi et al.
patent: 6894358 (2005-05-01), Leib et al.
patent: 199 62 231 (2001-07-01), None
patent: 0 611 967 (1994-08-01), None
patent: 2 754 386 (1998-04-01), None
International Search Report, for International Application No. PCT/FR02/03225, date mailed Sep. 23, 2003.

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