Electrical connection structure, liquid ejection head,...

Details Electrical connection structure, liquid ejection head,... Electrical connection structure, liquid ejection head,...

2011-07-05

2011-07-05

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S050000, C347S059000, C347S071000

Reexamination Certificate

active

07971973

ABSTRACT:
The electrical connection structure includes: a first substrate which has a first electrode part; a second substrate which has a second electrode part opposing the first electrode part, and a wiring pattern connected to the second electrode part; an insulating cavity substrate which is disposed between the first substrate and the second substrate and has a through hole in a position corresponding to the first electrode part, the through hole being deeper that a sum of a height of the first electrode part and a height of the second electrode part and having an opening surface area not smaller that an area of the first electrode part; and conductive material which is filled in the through hole.

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