JPS55128472A - Recording head - Google Patents

Recording head

Info

Publication number
JPS55128472A
JPS55128472A JP3738879A JP3738879A JPS55128472A JP S55128472 A JPS55128472 A JP S55128472A JP 3738879 A JP3738879 A JP 3738879A JP 3738879 A JP3738879 A JP 3738879A JP S55128472 A JPS55128472 A JP S55128472A
Authority
JP
Japan
Prior art keywords
orifices
discharge
discharge orifices
recording head
substrate
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
Application number
JP3738879A
Other languages
Japanese (ja)
Other versions
JPH0341350B2 (en
Inventor
Michiko Takahashi
Yasushi Takatori
Toshitami Hara
Yukio Nishimura
Yoshiaki Shirato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP3738879A priority Critical patent/JPS55128472A/en
Publication of JPS55128472A publication Critical patent/JPS55128472A/en
Publication of JPH0341350B2 publication Critical patent/JPH0341350B2/ja
Granted legal-status Critical Current

Links

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
    • B41J2/1433—Structure of nozzle plates
    • 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
    • B41J2/14024—Assembling head parts
    • 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
    • B41J2/1404—Geometrical characteristics
    • 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
    • B41J2002/14379—Edge shooter

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

PURPOSE:To obtain a high-density multi-orifice recording head whose discharge responsivity and discharge stability are hard to be lowered by providing a tapered part on the side of a plate with grooves or a substrate where discharge orifices are to be formed and further providing discharge orifices on the tip of the part. CONSTITUTION:A heater substrate 3' of a recording head is formed by providing an electrothermal converter 5 etc. on the surface of a material (metal and the like) with high thermal conductivity through the intermediary of a layer for controlling heat flow rate. A liquid chamber 6 formed by a groove 2 is provided in the position opposed to the electrothermal converter 5 and with the same pitch as that of the converter 5, both communicating with a common chamber 7. On the end surface of a plate and the substrate are found faces D-E provided with discharge orifices 4, while near to the orifices 4 being formed tapered parts 8 and 8', which presents a structure where sticking or staying of the recording liquid is hard to take place. The discharge orifices have the density of several-several-tens of orifices per one millimeter, thus as array of several thousands of discharge orifices being formed.
JP3738879A 1979-03-29 1979-03-29 Recording head Granted JPS55128472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3738879A JPS55128472A (en) 1979-03-29 1979-03-29 Recording head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3738879A JPS55128472A (en) 1979-03-29 1979-03-29 Recording head

Publications (2)

Publication Number Publication Date
JPS55128472A true JPS55128472A (en) 1980-10-04
JPH0341350B2 JPH0341350B2 (en) 1991-06-21

Family

ID=12496135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3738879A Granted JPS55128472A (en) 1979-03-29 1979-03-29 Recording head

Country Status (1)

Country Link
JP (1) JPS55128472A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938679U (en) * 1972-07-11 1974-04-05
JPS5121440A (en) * 1974-08-14 1976-02-20 Matsushita Electric Ind Co Ltd INKUJETSUTOHETSUDO
JPS5288026A (en) * 1976-01-15 1977-07-22 Xerox Corp Ink jet apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938679U (en) * 1972-07-11 1974-04-05
JPS5121440A (en) * 1974-08-14 1976-02-20 Matsushita Electric Ind Co Ltd INKUJETSUTOHETSUDO
JPS5288026A (en) * 1976-01-15 1977-07-22 Xerox Corp Ink jet apparatus

Also Published As

Publication number Publication date
JPH0341350B2 (en) 1991-06-21

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