JPH0479642U - - Google Patents
Info
- Publication number
- JPH0479642U JPH0479642U JP12356890U JP12356890U JPH0479642U JP H0479642 U JPH0479642 U JP H0479642U JP 12356890 U JP12356890 U JP 12356890U JP 12356890 U JP12356890 U JP 12356890U JP H0479642 U JPH0479642 U JP H0479642U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- recording head
- inkjet recording
- thermal energy
- thermal
- 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
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000011241 protective layer Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
第１図は、本考案の一実施例の発熱素子構成を
説明するためのもので、同図Ａは保護層の一部を
切り取つた平面図、同図Ｂは断面図、第２図は、
発熱素子構成の一例を説明するためのもので、同
図Ａは平面図、同図Ｂは一部の拡大図、第３図は
、保護層を含めた第１図の発熱素子構成を示すも
ので、同図Ａは保護層の一部を切り取つた平面図
、同図Ｂは断面図、第４図は、本考案のサーマル
インクジエツト記録ヘツドの駆動方法を概略的に
説明するための等価回路図、第５図乃至第７図は
、従来のサーマルインクジエツト記録ヘツドの説
明図である。
１……発熱抵抗体層、２……通電電極、３……
基板、４……誘電体の保護層、５……金属薄膜の
保護層、６……ピツト層、７……チヤンネルプレ
ート、８……インク流路。
FIG. 1 is for explaining the configuration of a heat generating element according to an embodiment of the present invention. FIG. 1A is a plan view with a part of the protective layer cut away, FIG.
Figure A is a plan view, Figure B is a partially enlarged view, and Figure 3 shows the configuration of the heating element in Figure 1, including a protective layer. Figure A is a plan view with a portion of the protective layer cut away, Figure B is a sectional view, and Figure 4 is an equivalent circuit for schematically explaining the method of driving the thermal ink jet recording head of the present invention. 5 to 7 are explanatory diagrams of conventional thermal ink jet recording heads. 1... Heat generating resistor layer, 2... Current-carrying electrode, 3...
Substrate, 4... Dielectric protective layer, 5... Metal thin film protective layer, 6... Pit layer, 7... Channel plate, 8... Ink channel.
Claims (1)
るサーマルインクジエツト記録ヘツドにおいて、
熱エネルギーの発生手段が、個別に電気信号を印
加できるよう配列された電極と、電極の配列方向
に対して個別に分離されていない発熱抵抗層を有
し、かつ、絶縁層を介し前記電極に挟まれた前記
発熱抵抗体の高温部を選択的に被覆する金属性薄
膜を有することを特徴とするサーマルインクジエ
ツト記録ヘツド。 In a thermal inkjet recording head that applies thermal energy to a liquid to eject droplets,
The thermal energy generating means has electrodes arranged so that electrical signals can be individually applied, and a heat generating resistor layer that is not individually separated in the direction in which the electrodes are arranged, and is connected to the electrodes through an insulating layer. A thermal inkjet recording head characterized by having a metallic thin film selectively covering a high temperature portion of the sandwiched heating resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12356890U JPH0479642U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12356890U JPH0479642U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479642U true JPH0479642U (en) | 1992-07-10 |
Family
ID=31871264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12356890U Pending JPH0479642U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479642U (en) |
-
1990
- 1990-11-27 JP JP12356890U patent/JPH0479642U/ja active Pending
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