JPS577392A - Engraving method of stamp by laser beam - Google Patents
Engraving method of stamp by laser beamInfo
- Publication number
- JPS577392A JPS577392A JP8077180A JP8077180A JPS577392A JP S577392 A JPS577392 A JP S577392A JP 8077180 A JP8077180 A JP 8077180A JP 8077180 A JP8077180 A JP 8077180A JP S577392 A JPS577392 A JP S577392A
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- stamp
- laser
- gaseous
- recepter
- 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.)
- Granted
Links
Landscapes
- Laser Beam Processing (AREA)
Abstract
PURPOSE: To engrave a stamp with extreme precision and high efficiency, by specifying the output of the gaseous CO2 laser and the parallel distance of the scanning lines of the machining point of the laser beam.
CONSTITUTION: The lens that converges a laser beam 20 is focused on a surface 6a of the stamp. The parallel distance of the scanning line l of the machining point P' of the laser beam, that is, the feeds of the both turn tables 6, 8 to a vertical direction are adjusted to 0.015W0.05mm, and the output of the applied gaseous CO2 laser 9 is adjusted to 30WW120W. The reflected beam of the detecting ray projected from a projecter 16 to the original drawing 7 is received by a recepter 17. The reflected beam is intense on the white part of the basic material surface of the original drawing 7 and it is feeble on the black written part of the drawing. This intensity is detected by the recepter 17, and by these detecting signals the oscillation of the laser beam 20 from the gaseous CO2 laser 9 is intermitted via the electric control circuit 19, and thus the reversed letters are engraved upon the surface of the stamp.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55080771A JPS5931435B2 (en) | 1980-06-13 | 1980-06-13 | Stamp engraving method using laser beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55080771A JPS5931435B2 (en) | 1980-06-13 | 1980-06-13 | Stamp engraving method using laser beam |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS577392A true JPS577392A (en) | 1982-01-14 |
JPS5931435B2 JPS5931435B2 (en) | 1984-08-02 |
Family
ID=13727675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55080771A Expired JPS5931435B2 (en) | 1980-06-13 | 1980-06-13 | Stamp engraving method using laser beam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5931435B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008229722A (en) * | 2008-03-07 | 2008-10-02 | Semiconductor Energy Lab Co Ltd | Laser marking method and laser marking device |
CN102173260A (en) * | 2011-03-09 | 2011-09-07 | 哈姆林电子(苏州)有限公司 | Automatic laser equipment |
US8449806B2 (en) | 2002-09-05 | 2013-05-28 | Semiconductor Energy Laboratory Co., Ltd. | Laser processing apparatus |
CN107812585A (en) * | 2017-10-02 | 2018-03-20 | 王兴芝 | A kind of Chinese medicine cornu bubali lapping device |
-
1980
- 1980-06-13 JP JP55080771A patent/JPS5931435B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8449806B2 (en) | 2002-09-05 | 2013-05-28 | Semiconductor Energy Laboratory Co., Ltd. | Laser processing apparatus |
JP2008229722A (en) * | 2008-03-07 | 2008-10-02 | Semiconductor Energy Lab Co Ltd | Laser marking method and laser marking device |
CN102173260A (en) * | 2011-03-09 | 2011-09-07 | 哈姆林电子(苏州)有限公司 | Automatic laser equipment |
CN107812585A (en) * | 2017-10-02 | 2018-03-20 | 王兴芝 | A kind of Chinese medicine cornu bubali lapping device |
Also Published As
Publication number | Publication date |
---|---|
JPS5931435B2 (en) | 1984-08-02 |
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