FR2504833B1 - - Google Patents
Info
- Publication number
- FR2504833B1 FR2504833B1 FR8108594A FR8108594A FR2504833B1 FR 2504833 B1 FR2504833 B1 FR 2504833B1 FR 8108594 A FR8108594 A FR 8108594A FR 8108594 A FR8108594 A FR 8108594A FR 2504833 B1 FR2504833 B1 FR 2504833B1
- Authority
- FR
- France
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/06—Marking or engraving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/07—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process being removed electrolytically
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813111306 DE3111306A1 (de) | 1981-03-23 | 1981-03-23 | Verfahren zur herstellung einer zylindrischen elektrode zum elysierbeizen gedruckter schaltungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2504833A1 FR2504833A1 (fr) | 1982-11-05 |
| FR2504833B1 true FR2504833B1 (en:Method) | 1983-07-22 |
Family
ID=6128030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8108594A Granted FR2504833A1 (fr) | 1981-03-23 | 1981-04-29 | Procede de fabrication d'une electrode cylindrique pour la gravure electrochimique de circuits imprimes et electrode ainsi obtenue |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE3111306A1 (en:Method) |
| FR (1) | FR2504833A1 (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4302633A1 (de) * | 1993-01-30 | 1994-08-04 | Abb Patent Gmbh | Verfahren zur Herstellung einer Teilfuge im Turbinenbau |
| US8350179B2 (en) * | 2009-10-26 | 2013-01-08 | GM Global Technology Operations LLC | Application of surface relief to spot welding electrodes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB710235A (en) * | 1952-08-08 | 1954-06-09 | Eisler Paul | Printed electric circuits and electric circuit components |
| US3753950A (en) * | 1971-12-30 | 1973-08-21 | Sun Research Development | Polysulfonate polymers from adamantane bisphenols and disulfonyl chlorides of aromatic substituted ethers |
-
1981
- 1981-03-23 DE DE19813111306 patent/DE3111306A1/de not_active Withdrawn
- 1981-04-29 FR FR8108594A patent/FR2504833A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3111306A1 (de) | 1982-09-30 |
| FR2504833A1 (fr) | 1982-11-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |