Browse Prior Art Database

Attachment of Electronic Components to Printed Circuit Boards

IP.com Disclosure Number: IPCOM000050774D
Original Publication Date: 1982-Dec-01
Included in the Prior Art Database: 2005-Feb-10
Document File: 2 page(s) / 78K

Publishing Venue

IBM

Related People

Joy, EF: AUTHOR [+3]

Abstract

A method commonly employed for attaching discrete components to printed circuit boards is illustrated in Figs. 1 and 2. This method is slow since each screw has to be attached separately and carefully to avoid warping the component so that it seats properly on the heat sink or board. As shown in Fig. 2, the variations in part tolerances may be substantial.

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Attachment of Electronic Components to Printed Circuit Boards

A method commonly employed for attaching discrete components to printed circuit boards is illustrated in Figs. 1 and 2.

This method is slow since each screw has to be attached separately and carefully to avoid warping the component so that it seats properly on the heat sink or board. As shown in Fig. 2, the variations in part tolerances may be substantial.

A faster method is suggested in Fig. 3. Pairs of matched eyelets A and B are press-fitted together, as shown. Eyelet B is press-fitted through the underside of the printed circuit board, and eyelet A is press-fitted through from the top side through a clearance opening in the device, the inner dimension of eyelet B, securely engaging eyelet B. When these eyelets are inserted at the same time, the possible warping of components is eliminated. The tools required for inserting the eyelets are conventional and can be set so that hand torquing is not required.

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