JP2019010785A - 液体吐出ヘッド - Google Patents
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 6
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- 229910052751 metal Inorganic materials 0.000 description 1
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Abstract
Description
液体吐出ヘッドの製造方法について説明する。まず、図7(a)に示すように、表面側にTaSiNからなるエネルギー発生素子4と、酸化ケイ素からなる絶縁層5と、Alからなる電気配線層(不図示)とを有する基板1を用意した。基板1はシリコンの単結晶基板である。絶縁層5は多層で、10μmの厚みとした。絶縁層5の内部には4層の電気配線層が設けられており、タングステンプラグで接続されている。
図6に示す液体吐出ヘッドを製造した。実施例1と異なる点を中心に説明する。
Claims (20)
- 基板の表面側に開口し前記基板の表面側に液体を供給する供給路が形成された基板と、
前記基板の表面上に、液体を吐出するためのエネルギーを発生させるエネルギー発生素子と、前記エネルギー発生素子と電気的に接続された電気配線層と、前記電気配線層と前記液体とを電気的に絶縁する絶縁層と、前記液体を吐出する吐出口を形成する吐出口部材と、
を有する液体吐出ヘッドであって、
前記絶縁層の前記供給路の開口側の端部は、前記供給路の開口の縁から前記エネルギー発生素子が設けられている側に寄った位置にあることを特徴とする液体吐出ヘッド。 - 前記絶縁層の端部は、前記基板の表面に対して傾斜した傾斜面である請求項1に記載の液体吐出ヘッド。
- 前記傾斜面と前記基板の表面とがなす角度は、45度以上、90度未満である請求項2に記載の液体吐出ヘッド。
- 前記電気配線層は、複数の電気配線層が積層された層である請求項1乃至3のいずれか1項に記載の液体吐出ヘッド。
- 前記絶縁層は、前記複数の電気配線層を、部分的に電気的に絶縁している請求項4に記載の液体吐出ヘッド。
- 前記絶縁層の厚みは4μm以上である請求項1乃至5のいずれか1項に記載の液体吐出ヘッド。
- 前記絶縁層は、窒化ケイ素、炭化ケイ素、酸化ケイ素の少なくともいずれかである請求項1乃至6のいずれか1項に記載の液体吐出ヘッド。
- 前記液体吐出ヘッドを前記基板の表面と対向する位置からみたとき、前記絶縁層は前記端部で開口を形成しており、前記絶縁層の開口と前記供給路の開口とは中心が一致していない請求項1乃至7のいずれか1項に記載の液体吐出ヘッド。
- 前記供給路の開口の縁から前記エネルギー発生素子の中心までの距離をL1、前記供給路の開口の縁から前記絶縁層の前記供給路の開口側の端部までの距離をL2としたとき、L2/L1は0.2以上である請求項1乃至8のいずれか1項に記載の液体吐出ヘッド。
- 前記L2/L1は0.3以上である請求項9に記載の液体吐出ヘッド。
- 前記吐出口部材と前記基板の表面との間には前記液体の流路があり、前記流路の高さをD1、前記絶縁層の厚みをD2としたとき、D2/D1は0.2以上である請求項1乃至10のいずれか1項に記載の液体吐出ヘッド。
- 前記D2/D1は0.5以上である請求項11に記載の液体吐出ヘッド。
- 前記D2/D1は1.0以上である請求項11に記載の液体吐出ヘッド。
- 前記供給路の前記エネルギー発生素子が設けられている側と反対側において、前記絶縁層が前記供給路の開口上にせり出している請求項1乃至13のいずれか1項に記載の液体吐出ヘッド。
- 前記絶縁層の前記供給路の開口上にせり出している部分の長さは、0.1μm以上、3.0μm以下である請求項14に記載の液体吐出ヘッド。
- 請求項1乃至15のいずれか1項に記載の液体吐出ヘッドと、前記液体吐出ヘッドの供給する液体を収納する液体収納部とを有することを特徴とする記録装置。
- 基板の表面側に開口し前記基板の表面側に液体を供給する供給路が形成された基板と、前記基板の表面上に、液体を吐出するためのエネルギーを発生させるエネルギー発生素子と、前記エネルギー発生素子と電気的に接続された電気配線層と、前記電気配線層と前記液体とを電気的に絶縁する絶縁層と、前記液体を吐出する吐出口を形成する吐出口部材と、を有する液体吐出ヘッドの製造方法であって、
前記絶縁層の前記供給路の開口側の端部は、前記供給路の開口の縁から前記エネルギー発生素子が設けられている側に寄った位置にあり、
表面側にエネルギー発生素子と絶縁層と電気配線層とを有する基板を用意する工程と、
前記絶縁層をエッチングして前記絶縁層に開口を形成する工程と、
前記絶縁層の開口から前記基板に前記供給路を形成する工程と、
前記基板の表面上に前記吐出口部材を形成する工程と、を有し、
前記絶縁層をエッチングして前記絶縁層に開口を形成する工程では、前記基板を前記絶縁層のエッチングのエッチングストップ層とすることを特徴とする液体吐出ヘッドの製造方法。 - 前記基板はシリコンで形成されており、前記絶縁層は窒化ケイ素、炭化ケイ素、酸化ケイ素の少なくともいずれかで形成されている請求項17に記載の液体吐出ヘッドの製造方法。
- 前記絶縁層のエッチングはリアクティブイオンエッチングである請求項17または18に記載の液体吐出ヘッドの製造方法。
- 前記絶縁層の端部は、前記基板の表面に対して傾斜した傾斜面である請求項17乃至19のいずれか1項に記載の液体吐出ヘッドの製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2017127997A JP6942537B2 (ja) | 2017-06-29 | 2017-06-29 | 液体吐出ヘッド |
US16/013,757 US10583656B2 (en) | 2017-06-29 | 2018-06-20 | Liquid discharge head, recording apparatus, and method of manufacturing liquid discharge head |
EP18179574.1A EP3421243B1 (en) | 2017-06-29 | 2018-06-25 | Liquid discharge head |
CN201810670944.8A CN109203676B (zh) | 2017-06-29 | 2018-06-26 | 液体排出头、记录装置以及制造液体排出头的方法 |
KR1020180074531A KR20190002350A (ko) | 2017-06-29 | 2018-06-28 | 액체 토출 헤드, 기록 장치 및 액체 토출 헤드의 제조 방법 |
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JP2017127997A JP6942537B2 (ja) | 2017-06-29 | 2017-06-29 | 液体吐出ヘッド |
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JP6942537B2 JP6942537B2 (ja) | 2021-09-29 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7551331B2 (ja) | 2020-05-13 | 2024-09-17 | キヤノン株式会社 | 液体吐出ヘッド、液体吐出装置、液体吐出モジュールおよび液体吐出ヘッドの製造方法 |
JP7562310B2 (ja) | 2020-06-25 | 2024-10-07 | キヤノン株式会社 | 液体吐出ヘッド基板の製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019098558A (ja) * | 2017-11-29 | 2019-06-24 | キヤノン株式会社 | インクジェットヘッド用基板の製造方法 |
JP7222698B2 (ja) * | 2018-12-25 | 2023-02-15 | キヤノン株式会社 | 液体吐出ヘッド |
JP7543097B2 (ja) | 2020-11-13 | 2024-09-02 | キヤノン株式会社 | 液体吐出ヘッド用基板、及び液体吐出ヘッド |
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JP7562310B2 (ja) | 2020-06-25 | 2024-10-07 | キヤノン株式会社 | 液体吐出ヘッド基板の製造方法 |
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EP3421243A1 (en) | 2019-01-02 |
KR20190002350A (ko) | 2019-01-08 |
EP3421243B1 (en) | 2023-09-06 |
CN109203676B (zh) | 2020-07-28 |
JP6942537B2 (ja) | 2021-09-29 |
US10583656B2 (en) | 2020-03-10 |
US20190001675A1 (en) | 2019-01-03 |
CN109203676A (zh) | 2019-01-15 |
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