JP7454696B2 - サーマルヘッドおよびサーマルプリンタ - Google Patents
サーマルヘッドおよびサーマルプリンタ Download PDFInfo
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- JP7454696B2 JP7454696B2 JP2022554031A JP2022554031A JP7454696B2 JP 7454696 B2 JP7454696 B2 JP 7454696B2 JP 2022554031 A JP2022554031 A JP 2022554031A JP 2022554031 A JP2022554031 A JP 2022554031A JP 7454696 B2 JP7454696 B2 JP 7454696B2
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- 239000010410 layer Substances 0.000 claims description 117
- 239000011241 protective layer Substances 0.000 claims description 56
- 239000000758 substrate Substances 0.000 claims description 43
- 238000005338 heat storage Methods 0.000 claims description 35
- 230000032258 transport Effects 0.000 claims description 3
- 230000007723 transport mechanism Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 description 34
- 238000000034 method Methods 0.000 description 19
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 13
- 239000011521 glass Substances 0.000 description 8
- 238000007639 printing Methods 0.000 description 8
- 239000010408 film Substances 0.000 description 6
- 238000007650 screen-printing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000005388 borosilicate glass Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 229910004541 SiN Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910010037 TiAlN Inorganic materials 0.000 description 2
- 229910008482 TiSiN Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000007646 gravure printing Methods 0.000 description 2
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910003465 moissanite Inorganic materials 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
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
- B41J2/315—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
- B41J2/345—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 characterised by the arrangement of resistors or conductors
-
- 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
- B41J2/33505—Constructional details
- B41J2/3351—Electrode layers
-
- 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
- B41J2/33505—Constructional details
- B41J2/33525—Passivation layers
-
- 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
- B41J2/33505—Constructional details
- B41J2/3353—Protective layers
-
- 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
- B41J2/3354—Structure of thermal heads characterised by geometry
-
- 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
- B41J2/3355—Structure of thermal heads characterised by materials
-
- 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
- B41J2/33555—Structure of thermal heads characterised by type
- B41J2/3357—Surface type resistors
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Electronic Switches (AREA)
Description
図1は、実施形態に係るサーマルヘッドの概略を示す斜視図である。図1に示すように、実施形態に係るサーマルヘッドX1は、放熱体1と、ヘッド基体3と、FPC(フレキシブルプリント配線板)5とを備えている。ヘッド基体3は、放熱体1上に位置する。FPC5は、ヘッド基体3と電気的に接続されている。ヘッド基体3は、基板7と、発熱部9と、複数の駆動IC11と被覆部材29とを備える。
次に、実施形態に係る第1~第6変形例に係るサーマルヘッドX1について説明する。図6は、実施形態の第1、第2変形例に係るサーマルヘッドの要部断面図である。
次に、本発明の効果を確認するために行ったシミュレーションについて説明する。まず、シミュレーションモデルの構造について、図13A~図14Cを用いて説明する。なお、シミュレーションモデルについては、実施形態に係るサーマルヘッドのシミュレーションモデルX2と、参考形態に係るサーマルヘッドのシミュレーションモデルY2と、の2つのモデルを作成した。これら2つのモデルに共通する構造については同じ図面を用いて説明する。
Z1 サーマルプリンタ
1 放熱体
3 ヘッド基体
7 基板
9 発熱部
10 電極パッド
11 駆動IC
15 抵抗体層
17c 第3共通電極
19 個別電極
25 保護層
27 被覆層
29 被覆部材
Claims (6)
- 基板と、
前記基板の上に位置し、前記基板の第1方向に沿って延びる電極と、
前記基板の上および前記電極の上に位置する抵抗体層と
を備え、
前記電極は、前記第1方向に交差する第2方向に所定の間隔で並ぶ第1電極および第2電極を有し、
前記第1電極および前記第2電極のうち、少なくとも一方は、前記抵抗体層の下に位置する上面において、前記第2方向の中央部が前記第2方向の端部よりも突出しており、かつ、前記第2方向の端部が、下面における前記第2方向の端部よりも、前記第1電極および前記第2電極のうちの他方に向かって突出している
サーマルヘッド。 - 前記第1電極および前記第2電極のうち、少なくとも一方において、前記第2方向の中央部の上に位置する前記抵抗体層の厚みは、前記第2方向の端部の上に位置する前記抵抗体層の厚みよりも小さい
請求項1に記載のサーマルヘッド。 - 前記第1電極および前記第2電極のうち、少なくとも一方の前記上面と前記抵抗体層との界面の凹凸は、前記抵抗体層と前記基板との界面の凹凸よりも大きい
請求項1または2に記載のサーマルヘッド。 - 前記抵抗体層の上に位置する保護層を備え、
前記第1電極および前記第2電極の上に位置する前記保護層の厚みは、前記第1電極および前記第2電極の間に位置する前記抵抗体層の上に位置する前記保護層の厚みよりも小さい
請求項1~3のいずれか1つに記載のサーマルヘッド。 - 前記基板は、上面の少なくとも一部に蓄熱層を有し、
前記電極および前記抵抗体層は、前記蓄熱層の上に位置する
請求項1~4のいずれか1つに記載のサーマルヘッド。 - 請求項1~5のいずれか1つに記載のサーマルヘッドと、
前記基板の上に位置する発熱部の上に記録媒体を搬送する搬送機構と、
前記発熱部の上に前記記録媒体を押圧するプラテンローラと
を備えるサーマルプリンタ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020166488 | 2020-09-30 | ||
JP2020166488 | 2020-09-30 | ||
PCT/JP2021/035716 WO2022071347A1 (ja) | 2020-09-30 | 2021-09-28 | サーマルヘッドおよびサーマルプリンタ |
Publications (3)
Publication Number | Publication Date |
---|---|
JPWO2022071347A1 JPWO2022071347A1 (ja) | 2022-04-07 |
JPWO2022071347A5 JPWO2022071347A5 (ja) | 2023-05-24 |
JP7454696B2 true JP7454696B2 (ja) | 2024-03-22 |
Family
ID=80950581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022554031A Active JP7454696B2 (ja) | 2020-09-30 | 2021-09-28 | サーマルヘッドおよびサーマルプリンタ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230373226A1 (ja) |
EP (1) | EP4223544A1 (ja) |
JP (1) | JP7454696B2 (ja) |
CN (1) | CN116323232A (ja) |
WO (1) | WO2022071347A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060232656A1 (en) | 2005-04-15 | 2006-10-19 | Eastman Kodak Company | Thermal printer, print head, printing method and substrate for use therewith |
JP2018192694A (ja) | 2017-05-17 | 2018-12-06 | ローム株式会社 | サーマルプリントヘッドおよびサーマルプリントヘッドの製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5499443A (en) | 1978-01-23 | 1979-08-06 | Hitachi Ltd | Forming method of heating resistors of thick film type heat sensitive recording head |
JPS60145863A (ja) * | 1984-01-10 | 1985-08-01 | Oki Electric Ind Co Ltd | 薄膜サ−マルヘツド |
JPH029641A (ja) * | 1988-06-29 | 1990-01-12 | Hitachi Ltd | 感熱記録ヘッド |
JPH02182468A (ja) * | 1989-01-09 | 1990-07-17 | Oki Electric Ind Co Ltd | サーマルヘッドの電極部構造 |
JP7037941B2 (ja) | 2018-01-09 | 2022-03-17 | ローム株式会社 | サーマルプリントヘッド |
-
2021
- 2021-09-28 CN CN202180064233.6A patent/CN116323232A/zh active Pending
- 2021-09-28 US US18/028,214 patent/US20230373226A1/en active Pending
- 2021-09-28 JP JP2022554031A patent/JP7454696B2/ja active Active
- 2021-09-28 WO PCT/JP2021/035716 patent/WO2022071347A1/ja unknown
- 2021-09-28 EP EP21875648.4A patent/EP4223544A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060232656A1 (en) | 2005-04-15 | 2006-10-19 | Eastman Kodak Company | Thermal printer, print head, printing method and substrate for use therewith |
JP2018192694A (ja) | 2017-05-17 | 2018-12-06 | ローム株式会社 | サーマルプリントヘッドおよびサーマルプリントヘッドの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2022071347A1 (ja) | 2022-04-07 |
EP4223544A1 (en) | 2023-08-09 |
CN116323232A (zh) | 2023-06-23 |
US20230373226A1 (en) | 2023-11-23 |
JPWO2022071347A1 (ja) | 2022-04-07 |
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