TW372995B - A thermoplastic resin composition for constituting keys of a keyboard and method of making key of a key board - Google Patents
A thermoplastic resin composition for constituting keys of a keyboard and method of making key of a key boardInfo
- Publication number
- TW372995B TW372995B TW084107299A TW84107299A TW372995B TW 372995 B TW372995 B TW 372995B TW 084107299 A TW084107299 A TW 084107299A TW 84107299 A TW84107299 A TW 84107299A TW 372995 B TW372995 B TW 372995B
- Authority
- TW
- Taiwan
- Prior art keywords
- thermoplastic resin
- resin composition
- key
- keyboard
- oxide
- Prior art date
Links
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Push-Button Switches (AREA)
Abstract
A thermoplastic resin composition for constituting keys of a keyboard, said thermoplastic resin composition comprising (a) a thermoplastic resin and (b) a glaze having an oxide composition represented by the following formula: R1-2OxR'2O3.yR"O2-3, wherein R1-2O stands for an oxide of monovalent or divalent metal; R'2O3 stands for an oxide of a trivalent metal; R"O2-3 stands for an oxide of tetra- to hexa-valent metal; x is a number ranging 0.1 to 1.2 and y, a number ranging 1 to 12, the content of the glaze being 0.001 to 2 parts by weight per 100 parts by weight of said thermoplastic resin, said thermoplastic resin composition being markable upon exposure to laser radiation, said keys having a their tops laser marked numerals or codes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6003120A JP2948084B2 (en) | 1994-01-17 | 1994-01-17 | Thermoplastic resin composition |
Publications (1)
Publication Number | Publication Date |
---|---|
TW372995B true TW372995B (en) | 1999-11-01 |
Family
ID=11548505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW084107299A TW372995B (en) | 1994-01-17 | 1995-07-14 | A thermoplastic resin composition for constituting keys of a keyboard and method of making key of a key board |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2948084B2 (en) |
TW (1) | TW372995B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960022768A (en) * | 1994-12-30 | 1996-07-18 | 성재갑 | Thermoplastic composition for laser marking |
JP3413329B2 (en) * | 1996-06-28 | 2003-06-03 | ポリプラスチックス株式会社 | Laser marking method and laser-marked molded product |
WO2005000969A1 (en) * | 2003-06-27 | 2005-01-06 | Toyo Ink Mfg. Co., Ltd. | Resin composition for light amplification beam by stimulated emission of radiation and use thereof |
JP4391287B2 (en) * | 2004-03-26 | 2009-12-24 | 大日本印刷株式会社 | Securities paper |
DE102004050557B4 (en) * | 2004-10-15 | 2010-08-12 | Ticona Gmbh | Laser-markable molding compounds and products and methods for laser marking obtainable therefrom |
JP2010189557A (en) * | 2009-02-19 | 2010-09-02 | Mitsubishi Plastics Inc | Polyester film |
-
1994
- 1994-01-17 JP JP6003120A patent/JP2948084B2/en not_active Expired - Fee Related
-
1995
- 1995-07-14 TW TW084107299A patent/TW372995B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH07207062A (en) | 1995-08-08 |
JP2948084B2 (en) | 1999-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |