Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
Reexamination Certificate
2005-05-17
2005-05-17
Pert, Evan (Department: 2829)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Electrical signal parameter measurement system
C438S017000
Reexamination Certificate
active
06895346
ABSTRACT:
A manufacturing method of an electronic device is to improve test efficiency using test structure and improve yield. The manufacturing method performs test using a first lead wire disposed on an insulating layer formed on a substrate and a second lead wire electrically connected to the substrate and disposed on the insulating layer and manages the electronic device on the basis of results of the test to manufacture the electronic device. The manufacturing method includes a step of testing whether the first lead wire is disconnected or not by measuring an electric resistance between both ends of the first lead wire and a step of testing whether the first and second lead wires are short-circuited or not by measuring an electric resistance between the first lead wire and the substrate.
Asakura Hisao
Hamamura Yuichi
Kumazawa Takaaki
Sugimoto Aritoshi
Tsunokuni Kazuyuki
Hitachi , Ltd.
Townsend and Townsend / and Crew LLP
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