GB1151848A - Thermal Print Head. - Google Patents

Thermal Print Head.

Info

Publication number
GB1151848A
GB1151848A GB4314966A GB4314966A GB1151848A GB 1151848 A GB1151848 A GB 1151848A GB 4314966 A GB4314966 A GB 4314966A GB 4314966 A GB4314966 A GB 4314966A GB 1151848 A GB1151848 A GB 1151848A
Authority
GB
United Kingdom
Prior art keywords
mesas
diodes
print head
printing
conductor
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
Application number
GB4314966A
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of GB1151848A publication Critical patent/GB1151848A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/0203—Particular design considerations for integrated circuits
    • H01L27/0207—Geometrical layout of the components, e.g. computer aided design; custom LSI, semi-custom LSI, standard cell technique
    • H01L27/0211—Geometrical layout of the components, e.g. computer aided design; custom LSI, semi-custom LSI, standard cell technique adapted for requirements of temperature
    • 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
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/335—Structure of thermal heads
    • B41J2/34—Structure of thermal heads comprising semiconductors
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/32—Carbides
    • C23C16/325—Silicon carbide
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • 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
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/30—Embodiments of or processes related to thermal heads
    • B41J2202/33—Thermal printer with pre-coating or post-coating ribbon system

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Electronic Switches (AREA)

Abstract

1,151,848. Selective printing; printing processes. TEXAS INSTRUMENTS Inc. 27 Sept., 1966 [1 Oct., 1965], No. 43149/66. Headings B6C and B6F. Machines wherein characters are formed by a number of separate elements.-A thermal print head comprises an array of semiconductor mesas arranged so that selected ones may be energized by an electrical current to form characters by heating a resistor within each mesa. The print head is formed from a single crystal semi-conductor material 10, Fig. 3, such as silicon and the top surface is masked and etched to form a pattern of raised mesas such as 40, 41, 45. This is coated with silicon carbide 60 deposited by a horizontal or vertical resistive or inductive coil heated furnace tube (70), Fig. 7 (not shown). A layer 61 of material, e.g. polycrystalline semi-conductor material is now deposited over the top surface and the original material 10 is lapped so that only the parts 40, 41, 45 inside the mesas remain. Into these parts diodes (D40, D41) and resistors (R40, R41) are formed. The P-type diffused regions, Fig. 6, provide the anodes for the diodes and provide the resistors. The N-type material of the mesas 40, 41 provide the cathodes of the diodes (D40, D41), contact being made through low resistivity N+ regions. Electrical connections are formed in the region 45 not containing the printing mesas. There are connections in two directions at right-angles to one another, 30a, 31a, 32a connecting mesas in vertical columns and (52, 53, 54) in the horizontal rows. The mesas are then stuck by an adhesive 68 to a substrate 20 and the polycrystalline semi-conductor 61 is removed to isolate the thermal areas 40, 41, 45.
GB4314966A 1965-10-01 1966-09-27 Thermal Print Head. Expired GB1151848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49217465A 1965-10-01 1965-10-01

Publications (1)

Publication Number Publication Date
GB1151848A true GB1151848A (en) 1969-05-14

Family

ID=23955230

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4314966A Expired GB1151848A (en) 1965-10-01 1966-09-27 Thermal Print Head.

Country Status (6)

Country Link
BR (1) BR6683348D0 (en)
CH (2) CH451973A (en)
DE (1) DE1299301B (en)
GB (1) GB1151848A (en)
NL (1) NL161090C (en)
SE (1) SE318434B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123349A (en) * 1982-05-17 1984-02-01 Canon Kk Recording head

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2161296A5 (en) * 1971-11-15 1973-07-06 Gourcerol Guy Electronic hot-marking device - for leather and skins

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL137735C (en) * 1962-11-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123349A (en) * 1982-05-17 1984-02-01 Canon Kk Recording head

Also Published As

Publication number Publication date
NL6613789A (en) 1967-04-03
NL161090C (en) 1980-01-15
BR6683348D0 (en) 1973-12-27
NL161090B (en) 1979-08-15
DE1299301B (en) 1969-07-17
CH451973A (en) 1968-05-15
SE318434B (en) 1969-12-08
CH464250A (en) 1968-10-31

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Legal Events

Date Code Title Description
PS Patent sealed
PE Patent expired