JPH0286741U - - Google Patents
Info
- Publication number
- JPH0286741U JPH0286741U JP16590888U JP16590888U JPH0286741U JP H0286741 U JPH0286741 U JP H0286741U JP 16590888 U JP16590888 U JP 16590888U JP 16590888 U JP16590888 U JP 16590888U JP H0286741 U JPH0286741 U JP H0286741U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- electrically connected
- circuit element
- thermal head
- collective
- 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
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図および第２図は本考案によるサーマルヘ
ツドの実施例を示すものであり、第１図はサーマ
ルヘツドの要部断面図、第２図はサーマルヘツド
の要部を破断して示す平面図、第３図は従来のサ
ーマルヘツドを示す要部断面図である。
１１……絶縁性基板、１２……グレーズ層、１
３……発熱抵抗体、１４……電極、１４Ａ……共
通電極、１４Ｂ……個別電極、１５……保護層、
１５Ａ……貫通孔、１６……集積回路素子、１７
……外部電極、１８……集合電極、１８Ａ……弾
性接片、１９……保護カバー。
Figures 1 and 2 show an embodiment of the thermal head according to the present invention. Figure 1 is a sectional view of the main part of the thermal head, and Figure 2 is a plan view showing the main part of the thermal head in a cutaway manner. , FIG. 3 is a sectional view of a main part of a conventional thermal head. 11... Insulating substrate, 12... Glaze layer, 1
3... Heating resistor, 14... Electrode, 14A... Common electrode, 14B... Individual electrode, 15... Protective layer,
15A...Through hole, 16...Integrated circuit element, 17
...External electrode, 18... Collective electrode, 18A... Elastic contact piece, 19... Protective cover.
Claims (1)
を介して集積回路素子と電気的に接続するととも
に、前記発熱抵抗体の他端部をそれぞれ共通電極
を介して電源回路と電気的に接続し、前記発熱抵
抗体および電極を保護する保護層を発熱抵抗体お
よび電極上に積層するとともに、前記集積回路素
子の保護カバーを集合回路素子の上方に配設して
なるサーマルヘツドにおいて、前記各発熱抵抗体
を前記絶縁性基板の端部に設け、前記共通電極と
電気的に接続される外部電極を前記保護層上に配
設し、前記外部電極と前記電源回路とを電気的に
接続するための集合電極を前記保護カバーに装着
したことを特徴とするサーマルヘツド。 one end of the plurality of heat generating resistors is electrically connected to an integrated circuit element via an individual electrode, and the other end of the heat generating resistor is electrically connected to a power supply circuit via a common electrode, respectively; In the thermal head, a protective layer for protecting the heating resistor and the electrodes is laminated on the heating resistor and the electrode, and a protective cover for the integrated circuit element is disposed above the collective circuit element. a body is provided at an end of the insulating substrate, an external electrode electrically connected to the common electrode is provided on the protective layer, and the external electrode is electrically connected to the power supply circuit. A thermal head characterized in that a collective electrode is attached to the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16590888U JPH079640Y2 (en) | 1988-12-22 | 1988-12-22 | Thermal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16590888U JPH079640Y2 (en) | 1988-12-22 | 1988-12-22 | Thermal head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0286741U true JPH0286741U (en) | 1990-07-10 |
| JPH079640Y2 JPH079640Y2 (en) | 1995-03-08 |
Family
ID=31452820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16590888U Expired - Lifetime JPH079640Y2 (en) | 1988-12-22 | 1988-12-22 | Thermal head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079640Y2 (en) |
-
1988
- 1988-12-22 JP JP16590888U patent/JPH079640Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079640Y2 (en) | 1995-03-08 |