JPH0379778B2 - - Google Patents
Info
- Publication number
- JPH0379778B2 JPH0379778B2 JP57059129A JP5912982A JPH0379778B2 JP H0379778 B2 JPH0379778 B2 JP H0379778B2 JP 57059129 A JP57059129 A JP 57059129A JP 5912982 A JP5912982 A JP 5912982A JP H0379778 B2 JPH0379778 B2 JP H0379778B2
- Authority
- JP
- Japan
- Prior art keywords
- video disc
- tip
- stylus
- scanning
- video
- 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
- 238000005498 polishing Methods 0.000 claims description 23
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 241001422033 Thestylus Species 0.000 description 21
- 239000011347 resin Substances 0.000 description 13
- 229920005989 resin Polymers 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 8
- 238000003672 processing method Methods 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 239000006061 abrasive grain Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- AOSZTAHDEDLTLQ-AZKQZHLXSA-N (1S,2S,4R,8S,9S,11S,12R,13S,19S)-6-[(3-chlorophenyl)methyl]-12,19-difluoro-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-azapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one Chemical compound C([C@@H]1C[C@H]2[C@H]3[C@]([C@]4(C=CC(=O)C=C4[C@@H](F)C3)C)(F)[C@@H](O)C[C@@]2([C@@]1(C1)C(=O)CO)C)N1CC1=CC=CC(Cl)=C1 AOSZTAHDEDLTLQ-AZKQZHLXSA-N 0.000 description 2
- 229940126657 Compound 17 Drugs 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- QOWAEJDMPSSSJP-WKNCGDISSA-N lipid-associating peptide Chemical compound C([C@H](NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)[C@@H](N)CO)CC(C)C)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CO)C(O)=O)C1=CC=C(O)C=C1 QOWAEJDMPSSSJP-WKNCGDISSA-N 0.000 description 2
- 108010071296 lipid-associating peptides Proteins 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/44—Styli, e.g. sapphire, diamond
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57059129A JPS58177543A (ja) | 1982-04-09 | 1982-04-09 | ビデオディスク用再生針およびその製造方法 |
| US06/483,174 US4504940A (en) | 1982-04-09 | 1983-04-08 | Stylus for use with video disc and method of grinding such stylus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57059129A JPS58177543A (ja) | 1982-04-09 | 1982-04-09 | ビデオディスク用再生針およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58177543A JPS58177543A (ja) | 1983-10-18 |
| JPH0379778B2 true JPH0379778B2 (US20100268047A1-20101021-C00003.png) | 1991-12-19 |
Family
ID=13104384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57059129A Granted JPS58177543A (ja) | 1982-04-09 | 1982-04-09 | ビデオディスク用再生針およびその製造方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4504940A (US20100268047A1-20101021-C00003.png) |
| JP (1) | JPS58177543A (US20100268047A1-20101021-C00003.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7140812B2 (en) * | 2002-05-29 | 2006-11-28 | 3M Innovative Properties Company | Diamond tool with a multi-tipped diamond |
| US20040045419A1 (en) * | 2002-09-10 | 2004-03-11 | Bryan William J. | Multi-diamond cutting tool assembly for creating microreplication tools |
| WO2009146055A2 (en) * | 2008-04-02 | 2009-12-03 | 3M Innovative Properties Company | Methods and systems for fabricating optical films having superimposed features |
| TWI483013B (zh) * | 2008-04-02 | 2015-05-01 | 3M Innovative Properties Co | 光導膜及其製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3826877A (en) * | 1972-09-06 | 1974-07-30 | Rca Corp | Information playback system stylus |
| GB1592361A (en) * | 1976-09-13 | 1981-07-08 | Rca Corp | Stylus manufacture |
| US4162510A (en) * | 1977-03-25 | 1979-07-24 | Rca Corporation | Keel-tipped stylus for video disc systems |
| US4287689A (en) * | 1979-10-30 | 1981-09-08 | Rca Corporation | Method for improving the quality of low frequency output of a video disc pickup stylus |
| US4297312A (en) * | 1980-02-04 | 1981-10-27 | Rca Corporation | Method for preparing stylus lapping discs |
| US4450551A (en) * | 1981-06-19 | 1984-05-22 | Sanyo Electric Co., Ltd. | Keel-tipped stylus, and method and device for making keel-tipped stylus |
-
1982
- 1982-04-09 JP JP57059129A patent/JPS58177543A/ja active Granted
-
1983
- 1983-04-08 US US06/483,174 patent/US4504940A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4504940A (en) | 1985-03-12 |
| JPS58177543A (ja) | 1983-10-18 |
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