JPH02108034U - - Google Patents

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Publication number
JPH02108034U
JPH02108034U JP1696289U JP1696289U JPH02108034U JP H02108034 U JPH02108034 U JP H02108034U JP 1696289 U JP1696289 U JP 1696289U JP 1696289 U JP1696289 U JP 1696289U JP H02108034 U JPH02108034 U JP H02108034U
Authority
JP
Japan
Prior art keywords
glaze layer
thermal head
heating resistor
insulating substrate
glaze
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
Application number
JP1696289U
Other languages
Japanese (ja)
Other versions
JP2531025Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989016962U priority Critical patent/JP2531025Y2/en
Publication of JPH02108034U publication Critical patent/JPH02108034U/ja
Application granted granted Critical
Publication of JP2531025Y2 publication Critical patent/JP2531025Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、この考案の一実施例に係るサーマル
ヘツドの要部縦断面図、第２図は、同サーマルヘ
ツドの要部平面図、第３図は、同サーマルヘツド
において発熱抵抗体中心とグレーズ層中心とがず
れた状態を説明する要部縦断面図、第４図ａ及び
第４図ｂは、従来のサーマルヘツドを説明するた
めの要部縦断面図である。 ２……絶縁基板、４……第１のグレーズ層、５
……第２のグレーズ層、６……発熱抵抗体、７，
８……電極。 FIG. 1 is a longitudinal sectional view of the main part of a thermal head according to an embodiment of the invention, FIG. 2 is a plan view of the main part of the thermal head, and FIG. 3 shows the center of the heating resistor in the thermal head. FIGS. 4a and 4b are longitudinal sectional views of main parts, illustrating a state in which the center of the glaze layer is shifted, and FIGS. 4a and 4b are longitudinal sectional views of main parts, illustrating a conventional thermal head. 2... Insulating substrate, 4... First glaze layer, 5
...Second glaze layer, 6...Heating resistor, 7,
8... Electrode.

Claims (1)

【実用新案登録請求の範囲】 絶縁基板上にグレーズ層を形成し、このグレー
ズ層上に跨がるように発熱抵抗体を形成し、さら
に前記絶縁基板上にこの発熱抵抗体に通電する電
極を形成してなるサーマルヘツドにおいて、 前記グレーズ層は、第１のグレーズ層の頂部に
第２のグレーズ層を積層し、この第１のグレーズ
層の頂部を平坦とし、前記第２のグレーズ層は、
この第１のグレーズ層より小さくしたことを特徴
とするサーマルヘツド。[Claims for Utility Model Registration] A glaze layer is formed on an insulating substrate, a heating resistor is formed so as to straddle the glaze layer, and an electrode is further provided on the insulating substrate to conduct electricity to the heating resistor. In the thermal head formed by forming the glaze layer, a second glaze layer is laminated on top of the first glaze layer, the top of the first glaze layer is made flat, and the second glaze layer is
A thermal head characterized in that it is smaller than this first glaze layer.
JP1989016962U 1989-02-15 1989-02-15 Thermal head Expired - Fee Related JP2531025Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989016962U JP2531025Y2 (en) 1989-02-15 1989-02-15 Thermal head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989016962U JP2531025Y2 (en) 1989-02-15 1989-02-15 Thermal head

Publications (2)

Publication Number Publication Date
JPH02108034U true JPH02108034U (en) 1990-08-28
JP2531025Y2 JP2531025Y2 (en) 1997-04-02

Family

ID=31230344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989016962U Expired - Fee Related JP2531025Y2 (en) 1989-02-15 1989-02-15 Thermal head

Country Status (1)

Country Link
JP (1) JP2531025Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5310250U (en) * 1976-07-08 1978-01-27
JPS56118049U (en) * 1980-02-12 1981-09-09
JPS56131993A (en) * 1980-03-19 1981-10-15 Tokyo Shibaura Electric Co Glazed board
JPS62255161A (en) * 1986-04-30 1987-11-06 Konika Corp Thermal head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5310250U (en) * 1976-07-08 1978-01-27
JPS56118049U (en) * 1980-02-12 1981-09-09
JPS56131993A (en) * 1980-03-19 1981-10-15 Tokyo Shibaura Electric Co Glazed board
JPS62255161A (en) * 1986-04-30 1987-11-06 Konika Corp Thermal head

Also Published As

Publication number Publication date
JP2531025Y2 (en) 1997-04-02

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Legal Events

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LAPS Cancellation because of no payment of annual fees