JPH02150249U - - Google Patents
Info
- Publication number
- JPH02150249U JPH02150249U JP5931489U JP5931489U JPH02150249U JP H02150249 U JPH02150249 U JP H02150249U JP 5931489 U JP5931489 U JP 5931489U JP 5931489 U JP5931489 U JP 5931489U JP H02150249 U JPH02150249 U JP H02150249U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- thermal head
- heat generating
- thermistor
- thin film
- 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.)
- Pending
Links
- 239000010408 film Substances 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
Landscapes
- Electronic Switches (AREA)
Description
第１図は一実施例を示す側面断面図、第２図は
同実施例の発熱基板を示す平面図、第３図は一実
施例で用いられるサーミスタを示す部分平面図、
第４図は第３図のＡ−Ａ線位置での断面図、第５
図は他の実施例で用いられる薄膜サーミスタを示
す部分平面図、第６図は第５図のＢ−Ｂ線位置で
の断面図、第７図は従来のサーマルヘツドを示す
断面図である。
１０……発熱基板、１１……発熱体、１２……
個別電極、１３……共通電極、１４……薄膜サー
ミスタ、１５，１６，２４，２５……サーミスタ
電極、２３，２６……ＳｉＣ感温膜。
FIG. 1 is a side sectional view showing one embodiment, FIG. 2 is a plan view showing a heat generating board of the same embodiment, and FIG. 3 is a partial plan view showing a thermistor used in one embodiment.
Figure 4 is a sectional view taken along line A-A in Figure 3;
The figure is a partial plan view showing a thin film thermistor used in another embodiment, FIG. 6 is a sectional view taken along line B--B in FIG. 5, and FIG. 7 is a sectional view showing a conventional thermal head. 10... Heat generating board, 11... Heat generating element, 12...
Individual electrode, 13... Common electrode, 14... Thin film thermistor, 15, 16, 24, 25... Thermistor electrode, 23, 26... SiC temperature sensitive film.
Claims (1)
が外部と接続される部分を除いて抵抗体露出部と
電極が保護膜で被われている発熱基板を備えたサ
ーマルヘツドにおいて、前記発熱基板上に、前記
電極と同一材料で同時に形成されたサーミスタ電
極と、前記保護膜と同一材料で同時に形成された
感温膜をもつ薄膜サーミスタが設けられているこ
とを特徴とするサーマルヘツド。 In a thermal head equipped with a heat generating substrate in which a resistor and an electrode are formed by a thin film process, and the resistor exposed portion and the electrode are covered with a protective film except for the portion where the electrode is connected to the outside, a thermal head is provided on the heat generating substrate. . A thermal head comprising a thin film thermistor having a thermistor electrode made of the same material as the electrode and a temperature sensitive film made of the same material as the protective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5931489U JPH02150249U (en) | 1989-05-22 | 1989-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5931489U JPH02150249U (en) | 1989-05-22 | 1989-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02150249U true JPH02150249U (en) | 1990-12-25 |
Family
ID=31585704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5931489U Pending JPH02150249U (en) | 1989-05-22 | 1989-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02150249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010125648A (en) * | 2008-11-26 | 2010-06-10 | Kyocera Corp | Recording head and recording device equipped with the same |
-
1989
- 1989-05-22 JP JP5931489U patent/JPH02150249U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010125648A (en) * | 2008-11-26 | 2010-06-10 | Kyocera Corp | Recording head and recording device equipped with the same |