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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Mechanical standardization of semiconductor devices Recommendations for the preparation of drawings of semiconductor devices
Hardcopy , PDF
31-07-2007
English
01-04-1992
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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Superseded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 |
| BS IEC 60747-10:1991 | Semiconductor devices Generic specification for discrete devices and integrated circuits |
| BS QC 390000:1992 | Harmonized system of quality assessment for electronic components. Fixed film resistor networks for use in electronic equipment. Generic specification |
| BS QC 720100:1991 | Harmonized system of quality assessment for electronic components. Semiconductor devices. Sectional specification for optoelectronic devices |
| BS QC700000(1991) : 1991 | HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRIC COMPONENTS - GENERIC SPECIFICATION FOR DISCRETE DEVICES AND INTEGRATED CIRCUITS |
| BS 3934-6:1992 | Mechanical standardization of semiconductor devices Specification for the preparation of outline drawings of surface mounted semiconductor device packages |
| BS 3643-1:1981 | ISO metric screw threads Principles and basic data |
| BS 1580-3:1965 | Specification for Unified screw threads Diameters below ¼ in |
| IEC 60191-2:2012 DB | Mechanical standardization of semiconductor devices - Part 2: Dimensions |
| ISO 261:1998 | ISO general purpose metric screw threads — General plan |
| BS 1580-1&2(1962) : 1962 | SPECIFICATION FOR UNIFIED SCREW THREADS - DIAMETERS 1/4 INCH AND LARGER |
| ISO 370:1975 | Toleranced dimensions Conversion from inches into millimetres and vice versa |
| BS 3934-2(1992) : 1992 AMD 13374 | MECHANICAL STANDARDIZATION OF SEMICONDUCTOR DEVICES - SCHEDULE OF INTERNATIONAL DRAWINGS GIVING DIMENSIONS |
| ISO 263:1973 | ISO inch screw threads General plan and selection for screws, bolts and nuts Diameter range 0,06 to 6 in |
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