Deformation-resistant mounting for a circuit board in a portable device

A portable device and installation structure technology, applied in the directions of support structure installation, elastic/clamping device, circuit arrangement on the support structure, etc., can solve the problem that the deformation of the printed circuit board cannot be prevented, and the external mechanical stress cannot be fully absorbed. , the reduction of the effective area of ​​the printed circuit board, etc.
CN1333625CInactive Publication Date: 2007-08-22NEC CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NEC CORP
Publication Date
2007-08-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

Disclosed is a novel deformation-resistant structure of a portable device, capable of reducing an electric failure by decreasing a distortion which occurs in a soldered portion between a printed circuit board of the portable device and an electric part mounted on the board due to a mechanical stress such as drop or pressure. Through slits are formed in positions in a printed wiring plate, which correspond to bosses having prepared holes disposed at the corners of a casing. By inserting screws into the prepared holes through the through slits, the printed circuit board is mounted in the casing. Although the casing is deformed when an external mechanical stress is applied to the casing, the screw and the boss can slide along each of the through slits. Thus, a deformation amount of the printed circuit board is not caused or becomes smaller than that of the casing.
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Description

[0001] This application is a divisional application of a patent application with the application number 01139389.0, the application date being November 14, 2001, and the title "Deformation-proof Installation Structure for Portable Devices". technical field

[0002] The present invention relates to a printed circuit board of a portable device such as a portable phone, PHS or PDA and a casing structure in which the printed circuit board is installed, in particular to a deformation-proof installation structure of the portable device. Background technique

[0003] As portable devices such as portable phones or PDAs become lighter, thinner, and smaller, a user can conveniently carry them in his / her pocket or the like.

[0004] Fig. 1 is an exploded perspective view showing a general schematic structure of this prior art.

[0005] In FIG. 1, a set of screws 105 are inserted into the through holes 204 of the printed circuit board 203, and screwed into the preparation holes 102 on t...

Claims

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