BS 3934-1:1992
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Mechanical standardization of semiconductor devices Recommendations for the preparation of drawings of semiconductor devices
Hardcopy , PDF
English
01-04-1992
31-07-2007
Committees responsible
Foreword
Recommendations
Scope
Object
Section one. General rules for all drawings
1.1 Drawing layout
1.2 Dimensions and tolerances
1.3 Inter-conversion of inch and millimetre dimensions
and rules for rounding off
Section two. Additional rules for device and case outline
drawings
Section three. Additional rules for base drawings
3.1 General rules
3.2 Numbering of terminals
3.3 Methods for locating the datum line
Section four. Additional rules for gauge drawings
4.1 Gauging information
4.2 Reference letter symbols
Section five. Rules for coding
5.1 Device outlines
5.2 Bases
5.3 Case outlines
Appendices
A. Definitions
B. Reference letter symbols
C. Examples of semiconductor device drawings
D. Conversion of toleranced dimensions from inches into
millimetres and vice versa (extract of ISO
Recommendation R 370)
E. Standardization philosophy
F. Designation of metric screw threads (extract from
Recommendation ISO/R261
G. General philosophy of flat base devices
H. Rules to specify the dimensions and the positions of
the terminals on a base drawing
Preparation of drawings to indicate the space which should be allowed for devices in equipment together with other dimensional characteristics required to ensure mechanical interchangeability.
| Committee |
EPL/47
|
| DevelopmentNote |
Supersedes BS 3934(1965). (10/2002) Supersedes BS 3934:ADD5(1983) (07/2004)
|
| DocumentType |
Standard
|
| Pages |
40
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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