ASTM-F3290 Standard Guide for Handling and Application of a Membrane Switch or Printed Electronic Device to its Final Support Structure

ASTM-F3290 - 2017 EDITION - CURRENT


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Standard Guide for Handling and Application of a Membrane Switch or Printed Electronic Device to its Final Support Structure
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Scope

1.1 This guide covers proper handling and application of a flexible circuit membrane switch, or printed electronic assembly to its final support structure to avoid mechanical or electrical failure.

1.2 Damage of internal tactile devices or surface mount device (SMD) components can occur with excessive flexing or bending during lamination, repositioning, from uneven support surface, air entrapment, or pressing keys when unsupported.

1.3 Design considerations and material selection can impact the membrane switch or the printed electronic device’s ability to endure the mechanical stress that can occur in handling, application and use. These should be considered as early as possible in the design phase.

1.4 Recent advancements in printed electronic polymer materials have shown increased reliability from flexing and creasing, replacing copper flex circuits in many cases.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

bending; creasing; flexing; membrane swith; printed electronic device; troubleshooting;; ICS Number Code 31.180 (Printed circuits and boards)

To find similar documents by ASTM Volume:

10.04 (Electronics; Declarable Substances in Materials; 3D Imaging Systems)

To find similar documents by classification:

31.180 (Printed circuits and boards)

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Document Number

ASTM-F3290-17

Revision Level

2017 EDITION

Status

Current

Modification Type

New

Publication Date

Nov. 15, 2017

Document Type

Guide

Page Count

3 pages

Committee Number

F01.18