JP2017175618A - セラミック基板、積層体およびsawデバイス - Google Patents
セラミック基板、積層体およびsawデバイス Download PDFInfo
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- JP2017175618A JP2017175618A JP2017056125A JP2017056125A JP2017175618A JP 2017175618 A JP2017175618 A JP 2017175618A JP 2017056125 A JP2017056125 A JP 2017056125A JP 2017056125 A JP2017056125 A JP 2017056125A JP 2017175618 A JP2017175618 A JP 2017175618A
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- 239000000758 substrate Substances 0.000 title claims abstract description 181
- 239000000919 ceramic Substances 0.000 title claims abstract description 62
- 239000000463 material Substances 0.000 claims description 14
- 229910052596 spinel Inorganic materials 0.000 claims description 12
- 239000011029 spinel Substances 0.000 claims description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000005411 Van der Waals force Methods 0.000 claims description 8
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 8
- 229910052863 mullite Inorganic materials 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 229910052878 cordierite Inorganic materials 0.000 claims description 4
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- 235000012255 calcium oxide Nutrition 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 2
- 238000000034 method Methods 0.000 description 29
- 238000005498 polishing Methods 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000000227 grinding Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- 239000006061 abrasive grain Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000010897 surface acoustic wave method Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Abstract
【解決手段】セラミック基板10は、多結晶セラミックから構成され、支持主面11を有する。支持主面11は、粗さがSaで0.01nm以上3.0nm以下である。支持主面11において、一辺50μmの正方形領域における1nm以上の凹凸が平均で5個未満、かつ2nm以上の凹凸が平均で1個未満である。
【選択図】図1
Description
最初に本願発明の実施態様を列記して説明する。本願のセラミック基板は、多結晶セラミックから構成され、支持主面を有するセラミック基板である。支持主面は、粗さがSaで0.01nm以上3.0nm以下である。支持主面において、一辺50μmの正方形領域における1nm以上の凹凸が平均で5個未満、かつ2nm以上の凹凸が平均で1個未満である。
次に、本発明にかかるセラミック基板および積層体の一実施の形態を、以下に図面を参照しつつ説明する。なお、以下の図面において同一または相当する部分には同一の参照番号を付しその説明は繰返さない。
10 ベース基板
100 SAWデバイス
11 支持主面
20 圧電体基板
21 露出主面
22 結合主面
30 入力側電極
31 第1部分
31A ベース部
31B 突出部
32 第2部分
32A ベース部
32B 突出部
40 出力側電極
41 第1部分
41A ベース部
41B 突出部
42 第2部分
42A ベース部
42B 突出部
51 入力側配線
61 出力側配線
Claims (6)
- 多結晶セラミックから構成され、支持主面を有するセラミック基板であって、
前記支持主面は、粗さがSaで0.01nm以上3.0nm以下であり、
前記支持主面において、一辺50μmの正方形領域における1nm以上の凹凸が平均で5個未満、かつ2nm以上の凹凸が平均で1個未満である、セラミック基板。 - 前記支持主面は、粗さがSqで0.5nm以下である、請求項1に記載のセラミック基板。
- スピネル、アルミナ、マグネシア、シリカ、ムライト、コージェライト、カルシア、チタニア、窒化珪素、窒化アルミニウムおよび炭化珪素からなる群から選択される1種以上の材料から構成される、請求項1または2に記載のセラミック基板。
- 請求項1〜3のいずれか1項に記載のセラミック基板と、
前記支持主面上に配置され、圧電体からなる圧電体基板と、を備え、
前記セラミック基板と前記圧電体基板とは、ファンデルワールス力により結合されている、積層体。 - 前記セラミック基板と前記圧電体基板との接合強度が0.5J/m2以上である、請求項4に記載の積層体。
- 請求項4または5に記載の積層体と、
前記圧電体基板の前記セラミック基板とは反対側の主面上に形成される電極と、を備えるSAWデバイス。
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- 2016-04-26 CN CN201680001823.3A patent/CN107406335B/zh active Active
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WO2019073783A1 (ja) * | 2017-10-12 | 2019-04-18 | 住友電気工業株式会社 | セラミック基板、積層体およびsawデバイス |
JPWO2019073783A1 (ja) * | 2017-10-12 | 2020-09-24 | 住友電気工業株式会社 | セラミック基板、積層体およびsawデバイス |
US11699985B2 (en) | 2017-10-12 | 2023-07-11 | Sumitomo Electric Industries, Ltd. | Layered body, and saw device |
JP7339158B2 (ja) | 2017-10-12 | 2023-09-05 | 住友電気工業株式会社 | セラミック基板、積層体およびsawデバイス |
US11750171B2 (en) | 2017-10-12 | 2023-09-05 | Sumitomo Electric Industries, Ltd. | Layered body, and saw device |
JP7544159B2 (ja) | 2017-10-12 | 2024-09-03 | 住友電気工業株式会社 | セラミック基板、積層体およびsawデバイス |
JP7002782B1 (ja) | 2020-09-21 | 2022-01-20 | 三安ジャパンテクノロジー株式会社 | 弾性表面波デバイス |
JP2022051615A (ja) * | 2020-09-21 | 2022-04-01 | 三安ジャパンテクノロジー株式会社 | 弾性表面波デバイス |
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JP7055450B2 (ja) | 2020-09-21 | 2022-04-18 | 三安ジャパンテクノロジー株式会社 | 弾性波デバイス |
Also Published As
Publication number | Publication date |
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CN107406335A (zh) | 2017-11-28 |
TWI590393B (zh) | 2017-07-01 |
US10340886B2 (en) | 2019-07-02 |
WO2016159393A1 (ja) | 2016-10-06 |
JPWO2016159393A1 (ja) | 2019-01-31 |
DE112016006627T5 (de) | 2018-12-06 |
KR20170110500A (ko) | 2017-10-11 |
JP7033852B2 (ja) | 2022-03-11 |
CN107406335B (zh) | 2020-12-08 |
US20170279435A1 (en) | 2017-09-28 |
JP7095785B2 (ja) | 2022-07-05 |
TW201735278A (zh) | 2017-10-01 |
JP2021170782A (ja) | 2021-10-28 |
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