DZ/T 0101.12-1994
Active
SJ 21291-2018
Active
Industry standards-Electronics
SJ 21291-2018 Backup and entry board for printed circuit boards
SJ 21291-2018 Backup and entry board for printed circuit boards
Price:
$ 30
Basic Information
Standard Code:
SJ 21291-2018
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2018-01-18
Implement Date:
2018-05-01
Pages:
15 pages
Scope
This specification stipulates the performance requirements, quality assurance provisions, delivery preparation, and explanatory matters for the spacers used in the processing of printed circuit boards. This specification applies to the production, inspection, and acceptance of upper and lower spacers used in the mechanical drilling and bulk cutting of printed circuit boards.
Development Information
Referenced Standards
GB/T 11718-1999 Medium density fibreboard
GB/T 11718-2009 Medium density fibreboard
GB/T 11718-2021 Medium density fibreboard
GB/T 17657-2013 Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels
GB/T 1913.2-2002 Bleached pulp paper for printed boards
GB/T 2036-1994 Terms for printed circuits
GB/T 2411-2008 Plastics and ebonite—Determination of indentation hardness by means of a durometer(shore hardness)
GB 3198-1996 Aluminium foil for general purpose
GB/T 3198-2003 Aluminium and aluminium—Alloy foil
GB/T 3198-2010 Aluminium and aluminium alloys foils
GB/T 3198-2020 Aluminium and aluminium alloy foils
SJ 21095-2016
SJ 21174-2016
SJ 21175-2016
SJ 21178-2016
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