ASTM-F2749 › Standard Test Method for Determining the Effects of Creasing a Membrane Switch or Printed Electronic Device (Withdrawn 2024)
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Scope
1.1 This test method establishes a method for the creasing of any part of a membrane switch or printed electronic device with conductive circuits.
1.1.1 The values given in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Significance and Use
3.1 Creasing of membrane switches, printed electronic device, or their components can affect their visual appearance, mechanical integrity or electrical functionality. This practice simulates conditions that may be seen during manufacture, installation or use.
3.2 Crease testing may be destructive, therefore any samples tested should be considered unfit for future use.
3.3 Specific areas of testing include, but are not limited to:
3.3.1 Membrane switch flex tails or printed electronic device, and
3.3.2 Any component of a membrane switch or printed electronic device that may be subjected to creasing.
Keywords
bend; crease; mandrel; membrane switch; printed electronic device; tail assembly;
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10.04 (Electronics; Declarable Substances in Materials; 3D Imaging Systems)
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Document Number
ASTM-F2749-15
Revision Level
2015 EDITION
Status
Cancelled
Modification Type
Withdrawn
Publication Date
July 15, 2015
Document Type
Test Method
Page Count
3 pages
Committee Number
F01.18