JPS6446240U - - Google Patents
Info
- Publication number
- JPS6446240U JPS6446240U JP14137187U JP14137187U JPS6446240U JP S6446240 U JPS6446240 U JP S6446240U JP 14137187 U JP14137187 U JP 14137187U JP 14137187 U JP14137187 U JP 14137187U JP S6446240 U JPS6446240 U JP S6446240U
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- print head
- substrate
- thermal print
- cooling liquid
- 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
- 239000000758 substrate Substances 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000110 cooling liquid Substances 0.000 claims 3
- 239000011553 magnetic fluid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Description
第１図は本考案によるサーマルプリントヘツド
の平面図、第２図は第１図の―線断面図、第
３図は側面より見た透視図である。第４図は従来
のサーマルプリントヘツドを使用したプリンタの
印字部の概要構成図である。
２０…基板、２２…発熱体、２３…冷却液流路
、２８…還流路、３０，３１…無効の凸部、３３
…放熱器。
FIG. 1 is a plan view of a thermal print head according to the present invention, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. 3 is a perspective view seen from the side. FIG. 4 is a schematic diagram of the printing section of a printer using a conventional thermal print head. 20... Substrate, 22... Heating element, 23... Coolant flow path, 28... Reflux path, 30, 31... Invalid convex portion, 33
...radiator.
Claims (1)
との冷却液流路を設け、該冷却液流路に冷却液と
して磁性流体を流すサーマルプリントヘツドにお
いて、前記基板に、全ての前記冷却液流路からの
磁性流体を循環させる還流路を設けたことを特徴
とする、サーマルプリントヘツド。 ２ 前記冷却液流路の流出側において前記基板に
放熱器を付設したことを特徴とする、前記実用新
案登録請求の範囲第１項に記載のサーマルプリン
トヘツド。 ３ 前記基板の前記冷却液流路と前記還流路との
間に前記発熱体の無い無効部を設けたことを特徴
とする、前記実用新案登録請求の範囲第１項また
は第２項に記載のサーマルプリントヘツド。[Scope of Claim for Utility Model Registration] 1. In a thermal print head in which a cooling liquid flow path is provided for each heating element on a substrate on which a large number of heating elements are arranged, and a magnetic fluid is flowed as a cooling liquid in the cooling liquid flow path, A thermal print head characterized in that the substrate is provided with a return flow path for circulating the magnetic fluid from all of the coolant flow paths. 2. The thermal print head according to claim 1, characterized in that a radiator is attached to the substrate on the outflow side of the coolant flow path. 3. The utility model according to claim 1 or 2, characterized in that an ineffective portion without the heating element is provided between the coolant flow path and the return path of the substrate. Thermal print head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14137187U JPH0628274Y2 (en) | 1987-09-16 | 1987-09-16 | Thermal print head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14137187U JPH0628274Y2 (en) | 1987-09-16 | 1987-09-16 | Thermal print head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6446240U true JPS6446240U (en) | 1989-03-22 |
| JPH0628274Y2 JPH0628274Y2 (en) | 1994-08-03 |
Family
ID=31406368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14137187U Expired - Lifetime JPH0628274Y2 (en) | 1987-09-16 | 1987-09-16 | Thermal print head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0628274Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0417949U (en) * | 1990-06-01 | 1992-02-14 | ||
| US7355932B2 (en) | 2001-02-16 | 2008-04-08 | Nec Corporation | Optical disk device for detecting thickness errors of the transparent substrate |
| US7733747B2 (en) | 2003-01-17 | 2010-06-08 | Sony Corporation | Information recording or reproducing device and recording or reproducing method |
-
1987
- 1987-09-16 JP JP14137187U patent/JPH0628274Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0417949U (en) * | 1990-06-01 | 1992-02-14 | ||
| US7355932B2 (en) | 2001-02-16 | 2008-04-08 | Nec Corporation | Optical disk device for detecting thickness errors of the transparent substrate |
| US7733747B2 (en) | 2003-01-17 | 2010-06-08 | Sony Corporation | Information recording or reproducing device and recording or reproducing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0628274Y2 (en) | 1994-08-03 |