JP5242238B2 - 圧電インクジェットデバイスの製作方法 - Google Patents
圧電インクジェットデバイスの製作方法 Download PDFInfo
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- JP5242238B2 JP5242238B2 JP2008127968A JP2008127968A JP5242238B2 JP 5242238 B2 JP5242238 B2 JP 5242238B2 JP 2008127968 A JP2008127968 A JP 2008127968A JP 2008127968 A JP2008127968 A JP 2008127968A JP 5242238 B2 JP5242238 B2 JP 5242238B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000010409 thin film Substances 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 36
- 238000009826 distribution Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
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- 238000005530 etching Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 77
- 235000012431 wafers Nutrition 0.000 description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
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- 229910052737 gold Inorganic materials 0.000 description 2
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- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
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Images
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B41J2002/14241—Structure of print heads with piezoelectric elements of film type, deformed by bending and disposed on a diaphragm having a cover around the piezoelectric thin film element
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49401—Fluid pattern dispersing device making, e.g., ink jet
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
アクチュエータを保持するキャリアプレートの面に剛性基板を接合するステップと、
アクチュエータとは反対側の面でキャリアプレートから材料を除去し、薄膜を形成するキャリアプレートの薄層のみを残すステップとを含む方法に関する。
12 ノズル
14 チャンバプレート
16 圧力チャンバ
18 可撓性薄膜
20 圧電アクチュエータ
22 分配プレート
24 カバープレート
26、42、78 接着層
28 導電構造
30、40 ワイヤボンド
32 下部電極
34 上部電極
36 圧電層
38 絶縁層
44 アクチュエータチャンバ
46 インク供給チャネル
48 フィードスルー
50 フィルタ通路
51 誘電層
52 電子構成部材
54 開口部
56 チップ
58 横断壁
60 通気孔
62 ウェハ
64、68 層
66 導電路
70 ラビリンス
72 圧電材料スラブ
74 電極
76 溝
80 キャリアプレート
82 シリコン層
84 二酸化ケイ素層
86 部分
X 円
Claims (9)
- 可撓性薄膜(18)と、薄膜に取り付けられる圧電アクチュエータ(20)と、アクチュエータ(20)を保持する薄膜(18)の面に接着された剛性基板(22)とを有する圧電インクジェットデバイスの製作方法であって、
アクチュエータ(20)を保持するキャリアプレート(80)の面に剛性基板(22)を接合するステップと、
アクチュエータ(20)とは反対側の面でキャリアプレート(80)から材料(82)を除去し、次に薄膜(18)を形成するキャリアプレートの薄層のみを残すステップとを含み、
圧電アクチュエータ(20)の少なくとも1つの面に電極(32)が用意され、アクチュエータ(20)が次にその電極面でキャリアプレート(80)に接着され、キャリアプレート(80)の材料がエッチングによって除去され、
複数のアクチュエータ(20)のための圧電層(36)が、アクチュエータの前記少なくとも1つの電極(32)を保持する面で、圧電材料の共通のスラブ(72)に溝(76)を切削することによって形成され、スラブ(72)が、キャリアプレート(80)に取り付けられ、アクチュエータの圧電層(36)が、スラブ(72)の連続上部部分を除去することによって、互いから離隔されることを特徴とする、方法。 - キャリアプレート(80)が、SOIウェハであり、そのウェハの酸化物層(84)が、エッチストップとして用いられる、請求項1に記載の方法。
- インク供給システムおよびアクチュエータ(20)を収容するためのチャンバ(44)を画定する分配プレート(22)が、剛性基板として用いられる請求項1または2に記載の方法。
- 分配プレート(22)が、シリコンウェハを構造化することによって形成される、請求項3に記載の方法。
- 複数のノズルおよびアクチュエータユニットを有する少なくとも1つのチップ(56)のための複数のアクチュエータ(20)が、共通のウェハ(62)上に形成される、請求項1から4のいずれか一項に記載の方法。
- 前記少なくとも1つのチップ(56)の分配プレート(22)が、共通のウェハの上に形成され、分配プレート(22)およびキャリアプレート(80)を形成するウェハが、個別のチップ(56)に分離される前に、共に接合される、請求項5に記載の方法。
- アクチュエータ(20)が、熱圧着によってキャリアプレートに接着される、請求項1から6のいずれか一項に記載の方法。
- 前記アクチュエータ(20)は、キャリアプレート(80)に接着される状態で、両面に電極(32、74)を有し、これらの電極が、熱圧着中に短絡される、請求項7に記載の方法。
- 剛性基板(22)と、アクチュエータ(20)を有する薄膜(18)のジョイント構造を圧力チャンバ(16)が形成されるチャンバプレート(14)に接合し、アクチュエータが薄膜の他方の面で圧力チャンバに対向するようにする別のステップを含む、請求項1から8のいずれか一項に記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07109198 | 2007-05-30 | ||
| EP07109198.7 | 2007-05-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008296578A JP2008296578A (ja) | 2008-12-11 |
| JP5242238B2 true JP5242238B2 (ja) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008127968A Expired - Fee Related JP5242238B2 (ja) | 2007-05-30 | 2008-05-15 | 圧電インクジェットデバイスの製作方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8276250B2 (ja) |
| EP (1) | EP1997637B1 (ja) |
| JP (1) | JP5242238B2 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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- 2008-05-15 EP EP08156257A patent/EP1997637B1/en not_active Not-in-force
- 2008-05-30 US US12/155,213 patent/US8276250B2/en not_active Expired - Fee Related
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|---|---|
| US20080295333A1 (en) | 2008-12-04 |
| EP1997637A1 (en) | 2008-12-03 |
| JP2008296578A (ja) | 2008-12-11 |
| US8276250B2 (en) | 2012-10-02 |
| EP1997637B1 (en) | 2012-09-12 |
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