JPS4842023B1 - - Google Patents
Info
- Publication number
- JPS4842023B1 JPS4842023B1 JP7575069A JP7575069A JPS4842023B1 JP S4842023 B1 JPS4842023 B1 JP S4842023B1 JP 7575069 A JP7575069 A JP 7575069A JP 7575069 A JP7575069 A JP 7575069A JP S4842023 B1 JPS4842023 B1 JP S4842023B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/30—Acidic compositions for etching other metallic material
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- 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
- H01L23/482—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 lead-in layers inseparably applied to the semiconductor body
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- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78621868A | 1968-12-23 | 1968-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4842023B1 true JPS4842023B1 (en) | 1973-12-10 |
Family
ID=25137939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7575069A Pending JPS4842023B1 (en) | 1968-12-23 | 1969-09-22 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS4842023B1 (en) |
DE (1) | DE1947026B2 (en) |
FR (1) | FR2026831A1 (en) |
GB (1) | GB1232126A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5174735U (en) * | 1974-12-06 | 1976-06-11 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3700569A (en) * | 1971-09-10 | 1972-10-24 | Bell Telephone Labor Inc | Method of metallizing devices |
CH648692A5 (en) * | 1979-09-05 | 1985-03-29 | Bbc Brown Boveri & Cie | Contact arrangement on a semiconductor component |
EP0312965B1 (en) * | 1987-10-23 | 1992-12-30 | Siemens Aktiengesellschaft | Method of producing a planar self-aligned heterojunction bipolar transistor |
-
1969
- 1969-09-16 GB GB1232126D patent/GB1232126A/en not_active Expired
- 1969-09-17 DE DE19691947026 patent/DE1947026B2/en active Pending
- 1969-09-18 FR FR6931755A patent/FR2026831A1/fr not_active Withdrawn
- 1969-09-22 JP JP7575069A patent/JPS4842023B1/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5174735U (en) * | 1974-12-06 | 1976-06-11 |
Also Published As
Publication number | Publication date |
---|---|
FR2026831A1 (en) | 1970-09-25 |
GB1232126A (en) | 1971-05-19 |
DE1947026A1 (en) | 1971-03-04 |
DE1947026B2 (en) | 1973-12-20 |