GB1467168A - Process for manufacturing a base for a semiconductor device - Google Patents
Process for manufacturing a base for a semiconductor deviceInfo
- Publication number
- GB1467168A GB1467168A GB2956274A GB2956274A GB1467168A GB 1467168 A GB1467168 A GB 1467168A GB 2956274 A GB2956274 A GB 2956274A GB 2956274 A GB2956274 A GB 2956274A GB 1467168 A GB1467168 A GB 1467168A
- Authority
- GB
- United Kingdom
- Prior art keywords
- recess
- base
- projection
- blank
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000004065 semiconductor Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 239000002184 metal Substances 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 2
- 229910002482 Cu–Ni Inorganic materials 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010953 base metal Substances 0.000 abstract 1
- 238000005242 forging Methods 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4871—Bases, plates or heatsinks
- H01L21/4878—Mechanical treatment, e.g. deforming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/06—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Forging (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7705173A JPS5116300B2 (nl) | 1973-07-10 | 1973-07-10 | |
JP13072773A JPS5132954B2 (nl) | 1973-11-22 | 1973-11-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1467168A true GB1467168A (en) | 1977-03-16 |
Family
ID=26418154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2956274A Expired GB1467168A (en) | 1973-07-10 | 1974-07-03 | Process for manufacturing a base for a semiconductor device |
Country Status (4)
Country | Link |
---|---|
US (1) | US3893325A (nl) |
FR (1) | FR2236572B1 (nl) |
GB (1) | GB1467168A (nl) |
NL (1) | NL7409192A (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4192063A (en) * | 1975-12-10 | 1980-03-11 | Yoshio Sato | Method for manufacturing a base of a semi-conductor device |
US4341106A (en) * | 1977-04-13 | 1982-07-27 | Gleason Works | Apparatus for controlling the movement of a reciprocatory hydraulically driven element of a metal forming machine |
CA1114779A (en) * | 1978-07-18 | 1981-12-22 | Nissan Motor Co., Ltd. | Process of closed extrusion shaping of a metal rod material and an apparatus therefor |
JPS5812089B2 (ja) * | 1980-01-17 | 1983-03-07 | 日産自動車株式会社 | 閉塞押出成形装置 |
WO1994019246A2 (en) * | 1993-02-18 | 1994-09-01 | David Robert Sergeant | Container end closure |
CN1060415C (zh) * | 1997-04-25 | 2001-01-10 | 张应宪 | 钢法兰毛坯制造新工艺 |
US7506527B2 (en) * | 2000-04-10 | 2009-03-24 | Honeywell International, Inc. | Making integral heat spreader by coining |
CN105499463B (zh) * | 2015-12-28 | 2018-10-02 | 无锡透平叶片有限公司 | 一种带预应力压边的大型矩形模座结构 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3186209A (en) * | 1960-04-14 | 1965-06-01 | Nat Machinery Co | Method of cold forming an elongated hollow article |
US3417597A (en) * | 1967-02-06 | 1968-12-24 | Francis S. Napoli | Weld stud |
JPS5147659B1 (nl) * | 1971-06-14 | 1976-12-16 |
-
1974
- 1974-07-03 GB GB2956274A patent/GB1467168A/en not_active Expired
- 1974-07-05 US US486083A patent/US3893325A/en not_active Expired - Lifetime
- 1974-07-08 NL NL7409192A patent/NL7409192A/nl not_active Application Discontinuation
- 1974-07-09 FR FR7423882A patent/FR2236572B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2432681B2 (de) | 1976-06-16 |
US3893325A (en) | 1975-07-08 |
FR2236572B1 (nl) | 1978-01-20 |
FR2236572A1 (nl) | 1975-02-07 |
NL7409192A (nl) | 1975-01-14 |
DE2432681A1 (de) | 1975-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |