Method for manufacturing an electronic part

Details Method for manufacturing an electronic part Method for manufacturing an electronic part

2011-08-02

2011-08-02

Nguyen, Donghai D. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S830000, C029S831000, C029S846000, C174S255000

Reexamination Certificate

active

07987590

ABSTRACT:
An insulating sheet including resin is attached to a conductor portion composed of a wiring pattern and a columnar conductor from above. Then pressure and heat are applied to the insulating sheet using the columnar conductor as a stopper to form a layer of resin having a uniform thickness with the height of the columnar conductor being a reference to cover the conductor portion. In such method for manufacturing an electronic part, a projecting portion is formed outside a part formation area. In this substrate sheet, the amount of the resin required for forming the layer is computed based on the proportion of the volume taken up by the conductor portion in a domain including the projecting portion, and the thickness of the insulating sheet is set in accordance with the computed resin amount.

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U.S. Appl. No. 10/537,286, filed Jun. 1, 2005, Gotoh et al.
U.S. Appl. No. 10/540,249, filed Jun. 22, 2005, Gotoh et al.

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