JPH0445044U - - Google Patents
Info
- Publication number
- JPH0445044U JPH0445044U JP8365290U JP8365290U JPH0445044U JP H0445044 U JPH0445044 U JP H0445044U JP 8365290 U JP8365290 U JP 8365290U JP 8365290 U JP8365290 U JP 8365290U JP H0445044 U JPH0445044 U JP H0445044U
- Authority
- JP
- Japan
- Prior art keywords
- heating resistor
- substrate
- inkjet head
- orifice
- causing
- 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 10
- 239000000758 substrate Substances 0.000 claims 4
- 230000004888 barrier function Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
第１図は本考案の実施例を示すインクジエツト
ヘツドの発熱体配置図、第２図は第１図のＡ−Ａ
断面図、第３図は本考案のインクジエツトヘツド
の動作タイムチヤート、第４図は本考案のインク
ジエツトヘツドにおけるインク吐出状態図、第４
図Ａは第１発熱抵抗体にパルスを印加した状態図
、第４図Ｂは第２発熱抵抗体にパルスを印加した
状態図、第４図Ｃはバブルが消失した状態図、第
５図は従来のインクジエツトヘツドの概略図、第
６図は従来の他のインクジエツトヘツドを示す図
である。
１，２……電極、３……第１発熱抵抗体、４…
…第２発熱抵抗体、５……共通電極、７……オリ
フイス板、８……オリフイス、９……インク室。
Fig. 1 is a diagram showing the arrangement of heating elements in an ink jet head showing an embodiment of the present invention, and Fig. 2 is an A-A diagram of Fig. 1.
3 is an operation time chart of the ink jet head of the present invention, and FIG. 4 is a diagram of the ink ejection state in the ink jet head of the present invention.
Figure A is a state diagram when a pulse is applied to the first heat generating resistor, Figure 4 B is a state diagram when a pulse is applied to the second heat generating resistor, Figure 4 C is a state diagram when the bubble disappears, and Figure 5 is a state diagram when a pulse is applied to the second heat generating resistor. FIG. 6 is a schematic diagram of a conventional ink jet head. FIG. 6 is a diagram showing another conventional ink jet head. 1, 2... Electrode, 3... First heating resistor, 4...
...second heating resistor, 5...common electrode, 7...orifice plate, 8...orifice, 9...ink chamber.
Claims (1)
、両者間にインク室を形成するオリフイス板と、 (c) 該オリフイス板を貫通して形成されたオ
リフイスと、 (d) バブルを発生するために上記オリフイス
に対向するように上記基板に設けられた第１発熱
抵抗体と、 (e) 上記第１発熱抵抗体を包囲するように上
記基板に設けられた第２発熱抵抗体を有すること
を特徴とするインクジエツトヘツド。 (2) 第２発熱抵抗体を発熱させるための駆動パ
ルスを印加した後に、第１発熱抵抗体を発熱させ
るための駆動パルスを印加する手段を有する請求
項１記載のインクジエツトヘツド。 (3) 上記第１発熱抵抗体がインクを吐出するた
めのものであり、上記第２発熱抵抗体がインク室
バリアを形成するものである請求項１又は２記載
のインクジエツトヘツド。[Claims for Utility Model Registration] (1) (a) A substrate; (b) An orifice plate disposed facing the substrate at a distance and forming an ink chamber therebetween; (c) an orifice formed through the orifice plate; (d) a first heating resistor provided on the substrate to face the orifice to generate bubbles; and (e) the first heating resistor. An inkjet head comprising a second heating resistor provided on the substrate so as to surround the inkjet head. 2. The inkjet head according to claim 1, further comprising means for applying a driving pulse for causing the first heating resistor to generate heat after applying a driving pulse for causing the second heating resistor to generate heat. (3) The ink jet head according to claim 1 or 2, wherein the first heating resistor is for ejecting ink, and the second heating resistor is for forming an ink chamber barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8365290U JPH0445044U (en) | 1990-08-09 | 1990-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8365290U JPH0445044U (en) | 1990-08-09 | 1990-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0445044U true JPH0445044U (en) | 1992-04-16 |
Family
ID=31814738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8365290U Pending JPH0445044U (en) | 1990-08-09 | 1990-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445044U (en) |
-
1990
- 1990-08-09 JP JP8365290U patent/JPH0445044U/ja active Pending
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