JPS6317622B2 - - Google Patents
Info
- Publication number
- JPS6317622B2 JPS6317622B2 JP15551778A JP15551778A JPS6317622B2 JP S6317622 B2 JPS6317622 B2 JP S6317622B2 JP 15551778 A JP15551778 A JP 15551778A JP 15551778 A JP15551778 A JP 15551778A JP S6317622 B2 JPS6317622 B2 JP S6317622B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- liquid
- chamber
- present
- heat
- 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.)
- Expired
Links
- 239000007788 liquid Substances 0.000 claims description 66
- 230000009471 action Effects 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 39
- 230000008859 change Effects 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 3
- -1 trichlene Chemical compound 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 238000001454 recorded image Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- DMYOHQBLOZMDLP-UHFFFAOYSA-N 1-[2-(2-hydroxy-3-piperidin-1-ylpropoxy)phenyl]-3-phenylpropan-1-one Chemical compound C1CCCCN1CC(O)COC1=CC=CC=C1C(=O)CCC1=CC=CC=C1 DMYOHQBLOZMDLP-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 229920001079 Thiokol (polymer) Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000007651 thermal printing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14032—Structure of the pressure chamber
- B41J2/14048—Movable member in the chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14032—Structure of the pressure chamber
- B41J2/14064—Heater chamber separated from ink chamber by a membrane
Landscapes
- Duplication Or Marking (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
【発明の詳細な説明】
本発明は液体噴射記録装置に関し、特には記録
用液体を液滴状として被記録体迄飛翔させてそれ
に記録する液体噴射記録装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a liquid jet recording apparatus, and more particularly to a liquid jet recording apparatus that flies recording liquid in the form of droplets to a recording medium and records thereon.
ノンインパクト記録法は、記録時に於ける騒音
の発生が無視し得る程度に極めて小さいという点
に於いて、最近関心を集めている。その中でも特
に高速記録が可能であり、しかも、普通紙に特別
の定着処理を必要とせずに記録の行える所謂イン
クジエツト記録法は、極めて有力な記録法である
と認められている。このインクジエツト記録法に
就いては、これ迄にも様々な方式が提案され、改
良が加えられて商品化されたものもあれば、現在
もなお、実用化への努力が続けられているものも
ある。 Non-impact recording methods have recently attracted attention because the noise generated during recording is so small that it can be ignored. Among these, the so-called inkjet recording method, which allows high-speed recording and can record on plain paper without the need for special fixing treatment, is recognized as an extremely effective recording method. Various methods have been proposed for this inkjet recording method, some have been improved and commercialized, and others are still being worked on to put them into practical use. be.
インクジエツト記録法は、要するに、インクと
称される記録用液体の液滴（droplet）を飛翔さ
せ、それを被記録部材に付着させて記録を行うも
のである。そして、この記録用液体の液滴の発生
法及び生じた記録用液滴の飛翔方向を制御する為
の制御方法等に基づき、このインクジエツト記録
法は、幾つかの方式に大別される。 In short, the inkjet recording method is a method of recording by causing droplets of a recording liquid called ink to fly and adhering them to a recording member. The inkjet recording method is roughly divided into several methods based on the method of generating droplets of the recording liquid and the control method for controlling the flight direction of the generated recording droplets.
ここに、それ等の代表例を示せば、次のとおり
である。 Typical examples of these are shown below.
その１つは、たとえば、USP3060429に開示さ
れる。いわゆる（Teletype方式）であり、これ
は、液流の発生を静電吸引的に行い、必要に応じ
て発生した液流をそのまま記録部材上に付着させ
るか又はその飛翔方向を電界制御し、記録部材上
に液滴を付着させて記録を行う方式である。 One of them is disclosed, for example, in USP3060429. This is the so-called (Teletype method), in which a liquid flow is generated by electrostatic attraction, and if necessary, the generated liquid flow is directly deposited on the recording member, or the flying direction is controlled by an electric field, and the recording is performed. This is a method in which recording is performed by depositing droplets on a member.
第２の方式は、例えばUSP3596275（Sweet方
式）、USP3298030（Lewis and Brown方式）等
に開示されている方式であつて、連続振動発生法
によつて帯電量の制御された液滴流を発生させ、
この発生された帯電量の制御された液滴流を、一
様の電界が掛けられている偏向電極間を飛翔させ
ることで、記録部材上に記録を行うものである。 The second method is a method disclosed in USP3596275 (Sweet method), USP3298030 (Lewis and Brown method), etc., and uses a continuous vibration generation method to generate a droplet flow with a controlled amount of charge. ,
Recording is performed on a recording member by causing the generated flow of droplets with a controlled amount of charge to fly between deflection electrodes to which a uniform electric field is applied.
第３の方式は、例えば、USP3416153に開示さ
れる。いわゆる、（Hertz方式）であつて、ノズ
ルとリング状の帯電電極間に電界を掛け、連続振
動発生法によつて、液滴を発生霧化させて記録す
る方式である。なお、この方式ではノズルと帯電
電極間に掛ける電界強度を記録信号に応じて変調
することによつて液滴の霧化状態を制御し、記録
画像の階調性を出して記録する。 A third method is disclosed, for example, in USP3416153. This is the so-called (Hertz method), in which an electric field is applied between a nozzle and a ring-shaped charging electrode, and droplets are generated and atomized using a continuous vibration generation method to record. In this method, the atomization state of the droplets is controlled by modulating the electric field strength applied between the nozzle and the charging electrode in accordance with the recording signal, and the gradation of the recorded image is produced.
第４の方式は、例えばUSP3747120に開示され
ている方式（Stemme方式）で、この方式は前記
３つの方式とは根本的に原理が異なる。つまり、
（Stemme方式）は、記録のための液体を吐出す
るオリフイスを有する記録ヘツドに付設されてい
るピエゾ振動素子に、電気的な記録信号を印加
し、この電気的記録信号をピエゾ振動素子の機械
的振動に変え、該機械的振動に従つて必要時毎に
前記オリフイスより液液を吐出飛翔させて被記録
部材に付着させることで記録を行うものである。 The fourth method is, for example, the method disclosed in USP 3,747,120 (Stemme method), and this method is fundamentally different in principle from the above three methods. In other words,
(Stemme method) applies an electrical recording signal to a piezo vibrating element attached to a recording head that has an orifice that ejects liquid for recording, and then transmits this electrical recording signal to the mechanical vibration of the piezo vibrating element. Instead of vibration, recording is performed by ejecting liquid from the orifice and adhering it to the recording member whenever necessary according to the mechanical vibration.
又別に、これ等、第１乃至第４の方式とは原
理・理想を異にする新規記録方式が、本件出願人
の先願（つまり、特開昭54−59936号）に於て提
案されている。この新規方式は、要するに、液室
中に導入された記録用液体に対して、情報信号と
して熱的パルスを与え、前記液体が状態変化をお
こすことによつて生じる作用力に従つて、先の液
室に付設したオリフイスより、前記液体を小液滴
として吐出・飛翔せしめ、これを被記録部材に付
着させて記録を行う方式である。 Separately, a new recording method that differs in principle and ideal from the first to fourth methods was proposed in the applicant's earlier application (that is, Japanese Patent Application Laid-Open No. 54-59936). There is. In short, this new method applies a thermal pulse as an information signal to the recording liquid introduced into the liquid chamber, and the liquid changes its state according to the acting force. This is a method in which the liquid is ejected and made to fly as small droplets from an orifice attached to a liquid chamber, and the liquid is attached to a recording member to perform recording.
ところで、この方式には、使用する装置構成が
先に説明した第１乃至第４の方式に於けるそれに
較べて簡略化され得ると言う長所がある反面、小
液滴吐出の際の熱作用により、インクの付着が見
られる不安定吐出になると言う不利も認められ
た。そこで、本発明に於ては、上記、特開昭54−
59936号の発明において生ずる場合のあつた問題
点を解消した液体噴射記録装置を提供することを
目的とする。 By the way, this method has the advantage that the device configuration used can be simplified compared to that of the first to fourth methods described above, but on the other hand, due to the thermal effect during ejection of small droplets, However, the disadvantage of unstable ejection with ink adhesion was also recognized. Therefore, in the present invention, the above-mentioned Japanese Patent Application Laid-open No.
It is an object of the present invention to provide a liquid jet recording device that solves the problems that occur in the invention of No. 59936.
つまり、本発明は、周波数応答が安定してお
り、高速記録に適合し、しかも、サテライト・ド
ツトの発生、或はカブリ等のない鮮明、良質の記
録画像を与える液体噴射記録方法及びそれに使用
する装置を提供することを主たる目的とする。 In other words, the present invention provides a liquid jet recording method that has a stable frequency response, is suitable for high-speed recording, and provides clear, high-quality recorded images without the generation of satellite dots or fog, and a liquid jet recording method used therein. The main purpose is to provide equipment.
又、本発明は、構造的に簡略であると共に、記
録用ヘツドに於けるマルチオリフイス化を容易に
なし得る液体噴射記録装置を提供することを他の
目的とする。 Another object of the present invention is to provide a liquid jet recording device that is structurally simple and can easily be configured with multiple orifices in the recording head.
上記の目的を達成した本発明は、要するに、記
録用液体を吐出するための吐出用オリフイス、該
吐出用オリフイスから前記記録用液体を吐出する
為の作用力を与えるための作用室、細孔と栓とを
有し前記作用室とは異なる液体で満たされる副
室、該副室内に満たされる前記異なる液体に熱を
与えるための電気・熱変換体を具備してあること
を特徴とする液体噴射記録装置である。 In short, the present invention, which has achieved the above object, includes a discharge orifice for discharging a recording liquid, an action chamber for applying an action force for discharging the recording liquid from the discharge orifice, and a pore. A sub-chamber having a stopper and filled with a liquid different from the action chamber, and an electric/thermal converter for applying heat to the different liquid filled in the sub-chamber. It is a recording device.
以下、図示例に従つて、本発明を詳説する。 Hereinafter, the present invention will be explained in detail with reference to illustrated examples.
第１図は、先に例示した本発明に先行する。特
開昭54−59936号の発明を説明する略画斜視図で
ある。この図示例に於て、導入管１より液室２内
に導入された記録用液体３は、前記液室２に付設
された発熱体４の通電発熱に応じて瞬時に状態変
化をおこす。 FIG. 1 precedes the invention as previously illustrated. FIG. 5 is a schematic perspective view illustrating the invention of Japanese Patent Application Laid-Open No. 54-59936. In this illustrated example, the recording liquid 3 introduced into the liquid chamber 2 through the introduction pipe 1 causes an instantaneous state change in response to the heat generated by energization of the heating element 4 attached to the liquid chamber 2.
なお、前記発熱体４は、これに接続した電極５
１，５2を介した通電によつて、熱的パルスを発生
するものである。 Note that the heating element 4 has an electrode 5 connected thereto.
1 and 5 2 , a thermal pulse is generated.
状態変化によつて、前記液体３には、作用力が
加わり、その結果、液体３がオリフイス６より小
液滴７として吐出・飛翔し、被記録部材１０上に
付着することによつて記録が為される。 Due to the change in state, an acting force is applied to the liquid 3, and as a result, the liquid 3 is ejected and flies as small droplets 7 from the orifice 6 and adheres to the recording member 10, thereby recording. will be done.
発熱体４は基板８上に設けられており記録入力
に従つて電源９の電圧が印加され、入力信号に従
つた発熱体４の発熱がなされ、入力信号に従つた
記録が被記録部材１０上に飛来付着した小液滴７
によつて形成される。しかし、ここに於ける問題
点は、発熱体のパルス状の温度上昇によつて液滴
吐出の原動力である液体３の状態変化がおこると
同時に信号入力部周辺の記録用液体３も加熱され
るため、液体３中に溶存していた酸素等の気体が
液体３より分離して気泡を形成することにより生
じる。つまり、この気泡は液体３の蒸気ではない
ので温度が下降しても急激には消滅しない。 The heating element 4 is provided on the substrate 8, and a voltage from a power source 9 is applied according to the recording input, the heating element 4 generates heat according to the input signal, and recording according to the input signal is performed on the recording member 10. Small droplets flying and adhering to
formed by. However, the problem here is that the pulse-like temperature rise of the heating element causes a change in the state of the liquid 3, which is the driving force for ejecting droplets, and at the same time, the recording liquid 3 around the signal input section is also heated. Therefore, gas such as oxygen dissolved in the liquid 3 separates from the liquid 3 and forms bubbles. In other words, since these bubbles are not vapor of the liquid 3, they do not disappear rapidly even if the temperature drops.
従つて、この気泡は、信号が入力された（熱パ
ルスが印加された）後、長く液室２内に残存する
傾向があり、これが、再度、生じるべき液体３の
急激な状態変化に因る作用力（衝撃波）を吸収
し、打消してしまう。この様な理由で、第１図示
例に於ては、液滴吐出のいわゆる情報信号入力に
対する応答性（周波数応答性とも言う）が良好で
ない場合もある。本発明は、正しく、斯かる不都
合を解消するものであつて、その記録原理を第２
図によつて説明することができる。 Therefore, this bubble tends to remain in the liquid chamber 2 for a long time after the signal is input (the heat pulse is applied), and this is again due to the rapid state change of the liquid 3 that should occur. It absorbs the acting force (shock wave) and cancels it. For this reason, in the first illustrated example, the responsiveness (also referred to as frequency responsiveness) of droplet ejection to so-called information signal input may not be good. The present invention corrects such inconvenience, and uses the recording principle as a second method.
This can be explained with the help of a diagram.
第２図示例に於て、液室（……本発明で謂う、
「作用室」と同義である）１１内には、不図示の
ポンプ等任意の加圧手段によつて、それだけでは
オリフイス１２より吐出されない程度の圧力Ｐが
加えられている記録用液体１３が導入・供給され
ている。そして、作用室１１には、図示△ｌと△
ｍとで区切られた副室１５を付設してある。但
し、この副室１５は、本発明に於て必須の構成要
素ではなく、特に、設けない場合もある。ただ、
この副室１５を設けておくと、後に説明される
熱・圧力変換体を作用室１１内に配設することが
容易であると言う利点はある。 In the second illustrated example, the liquid chamber (...in the present invention,
(synonymous with "action chamber") 11, a recording liquid 13 is introduced into the recording liquid 13 to which pressure P is applied to such an extent that it cannot be discharged from the orifice 12 by itself by an arbitrary pressurizing means such as a pump (not shown).・Supplied. In the action chamber 11, there are shown △l and △.
An auxiliary chamber 15 is attached, which is separated by m. However, this subchamber 15 is not an essential component in the present invention, and may not be provided in particular. just,
Providing this auxiliary chamber 15 has the advantage that a heat/pressure converter, which will be described later, can be easily disposed within the action chamber 11.
本図示例に於て、副室１５内には、必要により
設けられる隔膜１６によつて、液体１３から隔絶
された熱・圧力変換体１７が収納される。 In the illustrated example, a heat/pressure transducer 17 is housed in the auxiliary chamber 15 and is isolated from the liquid 13 by a diaphragm 16 provided as necessary.
更に、前記熱・圧力変換体１７には、これに接
触、又は近接する位置に別途、電気・熱変換体
（不図示）が付設してあり、電気・熱変換体に於
ては、そこに入力された電気的信号が熱的信号と
して出力される。ここに発生した信号としての熱
エネルギーは、前記変換体１７に伝達され、そこ
で、該変換体１７に急激な状態変化（主として、
液体の蒸気化）をもたらす。この状態変化に基づ
く作用力が直接、或は前記隔膜１６を介して記録
用液体１３に伝わり、主として、作用室１１内の
ノズル部ｌに存在する液体１３の一部又は全部が
オリフイス１２より吐出される。吐出した液滴１
８は紙等の被記録部材１４に向つて飛翔し、被記
録部材１４上に付着することによつて記録が行わ
れる。上述のとおり、本図示例では、原理上、
熱・圧力変換体の状態変化を記録の作用力として
利用し、記録用液体１３に状態変化が生じること
を要しないので、この液体１３の状態変化の残存
に基づく（先の第１図に於て説明した様な）問題
点を完全に解消することができる。 Furthermore, an electric/thermal converter (not shown) is separately attached to the heat/pressure converter 17 at a position in contact with or in the vicinity thereof. The input electrical signal is output as a thermal signal. The thermal energy as a signal generated here is transmitted to the converter 17, where the converter 17 undergoes a rapid state change (mainly,
(vaporization of liquid). The acting force based on this state change is transmitted to the recording liquid 13 directly or via the diaphragm 16, and mainly a part or all of the liquid 13 present in the nozzle portion l in the action chamber 11 is ejected from the orifice 12. be done. Discharged droplet 1
8 flies toward a recording member 14 such as paper and adheres to the recording member 14, thereby performing recording. As mentioned above, in principle, in this illustrated example,
Since the change in the state of the heat/pressure transducer is used as the recording force and there is no need for a change in the state of the recording liquid 13, it is based on the remaining state change of the liquid 13 (as shown in Fig. The problems (as explained above) can be completely resolved.
ところで、オリフイス１２より吐出されて飛翔
する液滴１８の大きさ（径）は、情報として電
気・熱変換体に入力される電気エネルギー量、そ
こで変換された熱エネルギーの熱・圧力変換体へ
の伝達効率、電気・熱変換体の変換効率、オリフ
イス１２の径、ノズル部の内径ｄ、オリフイス１
２の位置より副室１５までの距離、記録用液体１
３に加えられる圧力Ｐ、作用を受ける液体１３の
量、熱・圧力変換体量、該変換体１７の比熱、熱
伝導率、沸点、蒸発潜熱等に依存して決まる。 By the way, the size (diameter) of the droplet 18 that is ejected from the orifice 12 and flies is determined by the amount of electrical energy input to the electricity/thermal converter as information, and the amount of thermal energy converted there into the heat/pressure converter. Transfer efficiency, conversion efficiency of electricity/thermal converter, diameter of orifice 12, inner diameter d of nozzle part, orifice 1
Distance from position 2 to subchamber 15, recording liquid 1
3, the amount of liquid 13 affected, the amount of heat/pressure converter 17, the specific heat of the converter 17, thermal conductivity, boiling point, latent heat of vaporization, etc.
従つて、これ等の要素の何れか１つ又は、２つ
以上を変化させることにより、液滴１８の大きさ
は容易に制御することができ、任意のドロツプレ
ツト径、スポツト径を以て被記録部材１４上に記
録させることが可能である。 Therefore, by changing one or more of these factors, the size of the droplet 18 can be easily controlled, and the recording member 14 can be formed with an arbitrary droplet diameter or spot diameter. It is possible to record on the top.
本発明に於て、殊に重要である構成要素として
は、前記、熱・圧力変換体１７を挙げることがで
きる。この熱・圧力変換体としては、それに入出
する熱的信号に従つて、蒸気化→凝縮の可逆的状
態変化を行う種々液体を用いることができる。具
体例を挙げれば、メタノール、エタノール、ｎ―
プロパノール、イソプロパノール、ｎ―ヘキサ
ン、ｎ―ヘプタン、ｎ―オクタン、トルエン、キ
シレン、二塩化メチレン、トリクレン、フレオン
TF、フレオンBF、エチルエーテル、ジオキサ
ン、シクロヘキサン、酢酸メチル、酢酸エチル、
アセトン、メチルエチルケトン、水等の単独或は
混合物である。中でも、それ自身の熱伝導率が小
さく、蒸気の熱伝導率が大きく、沸点が低く且つ
比熱が小さいものが使用に適する。 In the present invention, the above-mentioned heat/pressure converter 17 can be mentioned as a particularly important component. As this heat/pressure converter, various liquids can be used that undergo a reversible state change from vaporization to condensation according to thermal signals input and output thereto. Specific examples include methanol, ethanol, n-
Propanol, isopropanol, n-hexane, n-heptane, n-octane, toluene, xylene, methylene dichloride, trichlene, freon
TF, Freon BF, ethyl ether, dioxane, cyclohexane, methyl acetate, ethyl acetate,
Acetone, methyl ethyl ketone, water, etc. alone or in mixtures. Among these, those that have a low thermal conductivity of themselves, a high thermal conductivity of steam, a low boiling point, and a low specific heat are suitable for use.
たとえば、フレオンBF、フレオンTF、ｎ―ヘ
キサン、ｎ―ヘプタン、トリクレン、シクロヘキ
サン、メタノール、エタノール、イソプロパノー
ル、酢酸エチルが実用上好適なものである。又、
斯かる熱・圧力変換体１７として用いる液体と記
録用液体１３とは装置内に設けた隔膜１６で隔絶
される。この隔膜１６としては、たとえば、ポリ
カーボネート樹脂、ポリエステル樹脂、塩化ビニ
ル樹脂、ポリフツ化ビニル樹脂、テトラフルオル
エチレン樹脂、エチレン―酢ビ共重合樹脂、ポリ
ウレタン樹脂、シリコーンゴム、天然ゴム、
SBR、チオコールゴム、NBR、クロロプレンゴ
ム、ネオプレンゴム等を例とする樹脂或はゴム化
合物を利用することができる。中でも、できる限
り薄く成形可能で、可撓性に優れ、且つ耐溶剤剤
性の大なるものが望ましい。 For example, Freon BF, Freon TF, n-hexane, n-heptane, trichlene, cyclohexane, methanol, ethanol, isopropanol, and ethyl acetate are practically preferred. or,
The liquid used as the heat/pressure transducer 17 and the recording liquid 13 are separated by a diaphragm 16 provided within the apparatus. This diaphragm 16 is made of, for example, polycarbonate resin, polyester resin, vinyl chloride resin, polyvinyl fluoride resin, tetrafluoroethylene resin, ethylene-vinyl acetate copolymer resin, polyurethane resin, silicone rubber, natural rubber,
Resin or rubber compounds such as SBR, thiokol rubber, NBR, chloroprene rubber, neoprene rubber, etc. can be used. Among these, those that can be molded as thinly as possible, have excellent flexibility, and have high solvent resistance are desirable.
因に、前記図示例に挙げた電気・熱変換体は、
従来、広く、感熱記録の分野に於て用いられる感
熱印字ヘツドであり、それらは、作成方法、発熱
抵抗体等により、厚膜ヘツド、薄膜ヘツド、半導
体ヘツドに分類されるが、本発明においてはそれ
らは全て使用可能である。但し特に高速高解像力
の記録を行うときは、薄膜ヘツドが今のところ望
ましい。 Incidentally, the electricity/thermal converter mentioned in the illustrated example is
Conventionally, thermal printing heads have been widely used in the field of thermal recording, and they are classified into thick film heads, thin film heads, and semiconductor heads depending on the manufacturing method, heating resistor, etc.; however, in the present invention, All of them are available. However, especially when performing high-speed, high-resolution recording, thin film heads are currently preferred.
又、本発明に於て用いる記録用液体は、水、エ
タノール、トルエン等を例とする主溶媒に、エチ
レングリコール等を例とする湿潤剤、界面活性
剤、及び各種染料等を溶解或は分散させて作成さ
れる。なお、オリフイスを詰らさないために、作
成後フイルターで濾過したり、作用室中にフイル
タを設けたりする工夫は既存のインクジエツト記
録法と同様に有効なことである。 Furthermore, the recording liquid used in the present invention is a main solvent such as water, ethanol, toluene, etc., in which a wetting agent such as ethylene glycol, a surfactant, and various dyes are dissolved or dispersed. It is created by Note that in order to avoid clogging the orifice, it is effective to filter the ink after it is prepared or to provide a filter in the working chamber, as is the case with existing inkjet recording methods.
以上に説明した第２図示例に於ては、被記録部
材１４が図示矢印の方向に移動して記録が行われ
る様な態様のみを図示しているが、本発明では、
この態様にのみ限らない。即ち、被記録部材１４
がオリフイス１２と相対移動すれば良いので、こ
の被記録部材１４が図示矢印の逆方向に移動する
場合、図面を基準にしてその前後方向に移動する
場合、又は、被記録部材１４を固定しておいて、
オリフイス１２を任意方向に移動させる場合等
種々の変更が可能である。 In the second illustrated example described above, only a mode in which recording is performed by moving the recording member 14 in the direction of the illustrated arrow is illustrated, but in the present invention,
The present invention is not limited to this embodiment. That is, the recording member 14
The recording member 14 only needs to be moved relative to the orifice 12, so when the recording member 14 moves in the opposite direction of the arrow shown in the figure, when moving in the front and rear directions with reference to the drawing, or when the recording member 14 is fixed. Leave it behind.
Various changes are possible, such as when the orifice 12 is moved in any direction.
ここで、本発明、液体噴射記録装置に於ける作
用室部分の構成に就いて更に詳述する。 Here, the structure of the working chamber portion in the liquid jet recording apparatus according to the present invention will be described in further detail.
以下、第２図を用いて説明した原理を適用した
本発明の液体噴射記録装置を図面を用いて説明す
る。 Hereinafter, a liquid jet recording apparatus of the present invention to which the principle explained using FIG. 2 is applied will be explained using the drawings.
先ず、作用室空間を確保する目的で、ガラス、
石英、セラミツク、金属、プラスチツク等の基板
２１に長尺溝２２を切削して準備しておく（……
第４図）。この長尺溝２２の断面形状は、図示の
形状に限らず、その他、半円形等、任意形状を採
り得る。 First, in order to secure the working chamber space, glass,
A long groove 22 is cut and prepared in a substrate 21 made of quartz, ceramic, metal, plastic, etc. (...
Figure 4). The cross-sectional shape of the elongated groove 22 is not limited to the illustrated shape, but may take any other shape such as a semicircle.
次に、副室部を次の様にして作成する。即ち、
第４図ａに主要断面のみ示すが、先に示した基板
２１と同様の材質の基板２３の所定箇所を切削或
はエツチング等によつて、副室２４の容積分を穿
孔し、更に、熱・圧力変換体を後に副室２４内に
注入する為の細孔２５を穿孔しておく。因に、予
め副室２４の内部に、電気・熱変換体（たとえ
ば、薄膜ヘツド）を付設しておく場合には、次の
様な工程を付加する。 Next, create the subchamber as follows. That is,
Although only the main cross section is shown in FIG. 4a, a predetermined portion of the substrate 23 made of the same material as the substrate 21 shown above is perforated by cutting or etching, etc. to have the volume of the auxiliary chamber 24, and then heated. - A pore 25 is drilled for later injecting the pressure transducer into the auxiliary chamber 24. Incidentally, if an electric/thermal converter (for example, a thin film head) is previously provided inside the subchamber 24, the following steps are added.
つまり、第４図ｂに主要断面のみを示す様に、
第４図ａに図示した加工品に対して、更に、蓄熱
層２６としてSiO2を蒸着し、次に、発熱抵抗体
層２７としてTa2Nを蒸着し、最後に電極２８と
してアルミニウムを蒸着する。尚、このアルミニ
ウム電極に就いては、図示２８1を残し、他の副
室２４の内壁面部分２８2は、エツチング等で除
去する。 In other words, as only the main cross section is shown in Figure 4b,
For the processed product shown in FIG. 4a, SiO 2 is further deposited as a heat storage layer 26, then Ta 2 N is deposited as a heating resistor layer 27, and finally aluminum is deposited as an electrode 28. . Regarding this aluminum electrode, the portion 28 1 shown in the figure is left, and the other inner wall surface portion 28 2 of the subchamber 24 is removed by etching or the like.
その後、前述のとおり、付設された薄膜ヘツド
の全面にSiO2から成る保護層２９を蒸着し、次
に、副室２４の図示、下部面に隔膜３０を貼付す
る。〔……第４図ｃ〕
なお、隔膜３０としては、先の第２図示例に於
て示したものと同様の材料を適用することができ
る。 Thereafter, as described above, a protective layer 29 made of SiO 2 is deposited on the entire surface of the attached thin film head, and then a diaphragm 30 is attached to the lower surface of the auxiliary chamber 24 as shown in the figure. [...FIG. 4c] As the diaphragm 30, the same material as that shown in the second illustrated example can be used.
次いで、先の第３図示例の加工品の長尺溝２２
の一部に、第４図ｃ図示例の副室２４部がほぼ一
致する様にして、両加工品を接合する。又、この
接合の前後、どちらでも良いが、副室２４内部に
細孔２５より熱・圧力変換体３１を注入し、最後
に、細孔２５を栓３２を用いて封孔して本発明の
一具体例である記録用マルチアレイヘツドが完成
する。この主要断面は、第５図に図示してある。 Next, the elongated groove 22 of the processed product in the third illustrated example
The two processed products are joined so that the sub-chamber 24 portion of the example shown in FIG. Also, either before or after this joining is possible, but the heat/pressure converter 31 is injected into the subchamber 24 through the pore 25, and finally, the pore 25 is sealed using a plug 32 to achieve the present invention. A recording multi-array head, which is one specific example, is completed. This main cross section is illustrated in FIG.
この様にして得られたヘツドを用いて、先の第
２図示例のとおり操作すると、電気・熱変換体に
入力される信号に応じて、オリフイス２２′より、
記録用液滴の吐出が行われる。 When the head obtained in this manner is operated as shown in the second illustrated example, from the orifice 22', depending on the signal input to the electric/thermal converter,
Recording droplets are ejected.
なお、以上の第３図乃至第５図による図示例で
は、電気・熱変換体を副室内壁に付設する態様に
就いて説明したが、この態様に限るものではな
く、副室の外壁に前記変換体を付設した態様（不
図示）も勿論、本発明の範囲にある。 In addition, in the illustrated examples shown in FIGS. 3 to 5 above, an explanation has been given of a mode in which the electric/thermal converter is attached to the wall of the sub-chamber, but the embodiment is not limited to this mode, and the above-described structure is attached to the outer wall of the sub-chamber. Of course, an embodiment in which a converter is attached (not shown) is also within the scope of the present invention.
更に、第５図示のヘツドを第６図の様に変形す
ることもできる。即ち、熱・圧力変換体３１の作
用力の出力方向と同じ方向にオリフイス２２′を
設ける構成として良い。なお、第７図示例では、
第５図示例と同一の構成要素には、同一の符号を
付した。 Furthermore, the head shown in FIG. 5 can be modified as shown in FIG. That is, the orifice 22' may be provided in the same direction as the output direction of the acting force of the heat/pressure converter 31. In addition, in the seventh illustrated example,
Components that are the same as those in the fifth illustrated example are given the same reference numerals.
又、図示しないが、長尺溝２２に対する副室２
４の配置態様も、図示例に限らず、たとえば、２
以上直列に設けるとか、溝２２の周囲の対称或は
非対称位置に２以上設置するとかの変形が可能で
ある。 Although not shown, the subchamber 2 for the elongated groove 22
The arrangement of 4 is not limited to the illustrated example, for example, 2
Modifications such as providing the above in series or providing two or more at symmetrical or asymmetrical positions around the groove 22 are possible.
以上に詳説した本発明によれば、情報信号の入
力に対する応答性が非常に良好である為に、高速
度で、しかも、良質の記録画を与える液体噴射記
録方法及びその実施装置を提供することができ
る。 According to the present invention described in detail above, it is possible to provide a liquid jet recording method and an apparatus for implementing the same, which have very good responsiveness to the input of information signals and can therefore record images at high speed and of high quality. Can be done.
又、本発明によれば、副室が細孔と栓とを有し
ているので、副室内を満たす記録用液体とは異な
る液体の注入が簡便で装置の作製が容易になる。 Further, according to the present invention, since the sub-chamber has a pore and a plug, it is easy to inject a liquid different from the recording liquid filling the sub-chamber, and the device can be manufactured easily.
加えて、本発明によれば、副室内の液体の交換
も簡単に行なうことができるので使用する液体の
適用範囲を広げることができる。 In addition, according to the present invention, the liquid in the auxiliary chamber can be easily replaced, so that the range of application of the liquid to be used can be expanded.
更に本発明によれば、液体噴射記録装置のメン
テナンスも簡単に行なうことができる。 Furthermore, according to the present invention, maintenance of the liquid jet recording apparatus can be easily performed.
第１図は、本発明の先行技術の一つを説明する
為の略画斜視図、第２図は本発明の原理を説明す
るための略画断面図であり、第３図、第４図ａ、
第４図ｂ及び第４図ｃは、本発明に於て利用する
記録用ヘツドの作成工程説明図である。又、第５
図及び第６図は、夫々、本発明に於て利用する記
録用ヘツドの態様に就いて、その主要部のみを示
す略画断面図である。
図に於いて、１１…作用室（液室）、１２，２
２′…オリフイス、１３…記録用液体、１４…被
記録部材、１５，２４…副室、１６，３０…隔
膜、１７，３１…熱圧力変換体、１８…液滴、２
１，２３…基板、２２…長尺溝、２５…細孔、２
７…発熱抵抗体層、２８…電極、ｌ，l′…ノズル
部である。
FIG. 1 is a schematic perspective view for explaining one of the prior art of the present invention, FIG. 2 is a schematic cross-sectional view for explaining the principle of the present invention, and FIGS. a,
FIGS. 4b and 4c are explanatory diagrams of the manufacturing process of the recording head used in the present invention. Also, the fifth
6 and 6 are schematic cross-sectional views showing only the main parts of an embodiment of the recording head used in the present invention. In the figure, 11...action chamber (liquid chamber), 12, 2
2'... Orifice, 13... Recording liquid, 14... Recorded member, 15, 24... Sub-chamber, 16, 30... Diaphragm, 17, 31... Heat pressure transducer, 18... Droplet, 2
1, 23... Substrate, 22... Long groove, 25... Pore, 2
7... Heat generating resistor layer, 28... Electrode, l, l'... Nozzle portion.
Claims (1)
ス、該吐出用オリフイスから前記記録用液体を吐
出する為の作用力を与えるための作用室、細孔と
栓とを有し前記作用室と隔膜で隔絶された前記記
録用液体とは異なる液体で満たされる副室、該副
室内に満たされる前記異なる液体に熱を与えるた
めの電気・熱変換体を具備してあることを特徴と
する液体噴射記録装置。1 A discharge orifice for discharging a recording liquid, an action chamber for applying an action force for discharging the recording liquid from the discharge orifice, a pore and a plug, and the action chamber and a diaphragm are connected to each other. A liquid jet recording characterized by comprising a sub-chamber filled with a liquid different from the recording liquid that is isolated, and an electric/thermal converter for applying heat to the different liquid filled in the sub-chamber. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15551778A JPS5581172A (en) | 1978-12-14 | 1978-12-14 | Liquid injection type recording method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15551778A JPS5581172A (en) | 1978-12-14 | 1978-12-14 | Liquid injection type recording method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5581172A JPS5581172A (en) | 1980-06-18 |
| JPS6317622B2 true JPS6317622B2 (en) | 1988-04-14 |
Family
ID=15607777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15551778A Granted JPS5581172A (en) | 1978-12-14 | 1978-12-14 | Liquid injection type recording method and device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5581172A (en) |
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-
1978
- 1978-12-14 JP JP15551778A patent/JPS5581172A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5581172A (en) | 1980-06-18 |
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