JP5487358B2 - レーザ光を用いた基板の封止および接触の方法 - Google Patents
レーザ光を用いた基板の封止および接触の方法 Download PDFInfo
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- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F1/1345—Conductors connecting electrodes to cell terminals
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- H—ELECTRICITY
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W99/00—Subject matter not provided for in other groups of this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic materials other than metals or composite materials
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- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07331—Connecting techniques
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- H10W80/331—Bonding techniques, e.g. hybrid bonding characterised by the application of energy for connecting
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Description
・前記第1基板および第2基板を積層して、それらの間に界面領域を形成するステップであって、該界面領域は、
・少なくとも一つの第1導電層に面し、少なくとも一つの第2導電層と少なくとも部分的に位置合わせされた電気接続領域と、
・絶縁基板が互いに向き合う基板溶解領域と
を備えるステップと、
・基板の界面領域に、前記基板の内の一つを通して、レーザ源から複数の連続する集束レーザパルスを集束させるステップであって、レーザ光のパルス持続時間、パルス周波数およびパルス出力は、基板材料および導電層の局所的な融解を提供するように選択するステップと、
・所定の速度と経路で前記レーザ源および前記基板を相互に移動させて、構造的に変更された領域が前記界面領域に形成され、この構造的に変更された領域が前記電気接続領域および前記基板溶解領域と重なるようにするステップと
を含んでいる。
・所定の持続時間、パルス周波数および焦点径を有するレーザパルスを放出するパルスレーザ源と、
・レーザ光が、パルスレーザ源から基板の内の一つを通して基板の界面領域に導かれるように、基板を保持する手段と、
・所定の速度で、所定の経路に沿って、パルスレーザ源に対して基板を移動させる手段と
を備えている。
ガラス/クロム − クロム/ガラス
ガラス/銅 − 銅/ガラス
ガラス/銅 − 銅/シリコン
ガラス/金 − 金/ガラス
ガラス/金 − 金/シリコン
ガラス/銀 − 銀/シリコン
ガラス/モリブデン − モリブデン/ガラス
ガラス/ITO − ITO/ガラス
Claims (13)
- 少なくとも一つの第1導電層(29A)をその上に有する第1絶縁基板(28A)を、少なくとも一つの第2導電層(29B)をその上に有する少なくとも一つの第2絶縁基板(28B)と溶解し、電気的に接触させる方法であって、該方法は、
・前記第1および第2基板を、これらの間に界面領域が形成されるように積層するステップであって、該界面領域が、
・少なくとも一つの第1導電層(29A)に面し、少なくとも一つの第2導電層(29B)と少なくとも部分的に位置合わせされている電気接続領域と、
・前記絶縁基板(28A,28B)が互いに直接向き合う基板溶解領域と
を備えるステップと、
・前記基板の内の一つを通して、レーザ源(20)から複数の一連の集束レーザパルスを前記基板(28A,28B)の界面領域に集束させるステップであって、前記レーザ光のパルス持続時間、パルス周波数およびパルス出力は、前記基板(28A,28B)材料および前記導電層(29A,29B)の局所的な融解を提供するように選択されるステップと、
・所定の速度と経路で、前記レーザ源(20)と前記基板とを相互に移動させ、前記電気接続領域および前記基板溶解領域と重なる、構造的に変更された領域を前記界面領域に形成するステップと
を含む。 - 請求項1に記載の方法であって、前記構造的に変更された領域は、連続的に密封された封止溶接線を含む方法。
- 請求項1または2に記載の方法であって、前記パルスレーザ光の経路が、好適には、前記基板(28A,28B)の内の何れかに含まれる、湿気または酸素検出素子の周りに閉ループを形成する方法。
- 請求項1〜3の何れか一項に記載の方法であって、前記基板(28A,28B)の内の少なくとも一つは、前記導電層として、複数の接触端子を有するマイクロチップまたは表示パネルを備える方法。
- 請求項1〜4の何れか一項に記載の方法であって、前記絶縁基板(28A,28B)の内の少なくとも一つは、ガラスパネルを備える方法。
- 請求項5に記載の方法であって、前記ガラスパネルを通して前記レーザ光を前記界面領域に集束させるステップを含む方法。
- 請求項1〜6の何れか一項に記載の方法であって、前記基板(28A,28B)の内の少なくとも一つはシリコンマイクロチップを備え、前記第2導電層が、シリコンマイクロチップの接触端子を形成する方法。
- 請求項1〜7の何れか一項に記載の方法であって、前記第1および第2基板(28A,28B)の完全な局所的溶解は、基板融解領域において前記構造的に変更された領域として生成され、前記第1および第2導電層(29A,29B)の完全な局所的溶解は、前記電気接続領域で生成される方法。
- 請求項1〜8の何れか一項に記載の方法であって、
・前記パルス持続時間は20〜100psであり、
・前記パルス周波数は少なくとも1MHz、具体的には少なくとも4MHzであり、
・前記パルスレーザの移動速度は、連続するパルスが相互に重なり合うように調節される方法。 - 請求項9に記載の方法であって、前記連続するパルス間の距離は、パルスの焦点径の5分の1以下である方法。
- 請求項1〜10の何れか一項に記載の方法であって、前記導電層の厚さは1μm未満である方法。
- 請求項10に記載の方法であって、前記連続するパルス間の距離は、パルスの焦点径の10分の1以下である方法。
- 請求項12に記載の方法であって、前記連続するパルス間の距離は、パルスの焦点径の20分の1以下である方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20105539 | 2010-05-18 | ||
| FI20105539A FI123860B (fi) | 2010-05-18 | 2010-05-18 | Menetelmä substraattien tiivistämiseksi ja kontaktoimiseksi laservalon avulla ja elektroniikkamoduli |
| PCT/FI2011/050453 WO2011144813A2 (en) | 2010-05-18 | 2011-05-17 | Method of sealing and contacting substrates using laser light and electronics module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013526029A JP2013526029A (ja) | 2013-06-20 |
| JP5487358B2 true JP5487358B2 (ja) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2013505512A Expired - Fee Related JP5487358B2 (ja) | 2010-05-18 | 2011-05-17 | レーザ光を用いた基板の封止および接触の方法 |
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| Country | Link |
|---|---|
| US (1) | US9171822B2 (ja) |
| EP (1) | EP2572373B1 (ja) |
| JP (1) | JP5487358B2 (ja) |
| KR (1) | KR101710462B1 (ja) |
| CN (1) | CN102893384B (ja) |
| ES (1) | ES2539860T3 (ja) |
| FI (1) | FI123860B (ja) |
| SG (1) | SG185509A1 (ja) |
| TW (1) | TWI545662B (ja) |
| WO (1) | WO2011144813A2 (ja) |
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| TW551000B (en) * | 2002-06-03 | 2003-09-01 | Fong-Chi Hsu | Manufacturing method of printed circuit film in waterproof keyboard |
| US20030224581A1 (en) | 2002-06-03 | 2003-12-04 | Robert Bosch Gmbh | Flip chip packaging process using laser-induced metal bonding technology, system utilizing the method, and device created by the method |
| DE10235372A1 (de) * | 2002-08-02 | 2004-02-19 | Robert Bosch Gmbh | Elektrisches Bauelement |
| US6962835B2 (en) * | 2003-02-07 | 2005-11-08 | Ziptronix, Inc. | Method for room temperature metal direct bonding |
| US6998776B2 (en) | 2003-04-16 | 2006-02-14 | Corning Incorporated | Glass package that is hermetically sealed with a frit and method of fabrication |
| JP2005028891A (ja) | 2003-07-07 | 2005-02-03 | National Maritime Research Institute | 接岸用操船設備 |
| JP2005038891A (ja) | 2003-07-15 | 2005-02-10 | Matsushita Electric Ind Co Ltd | 半導体製品の製造方法および回路基板 |
| JP2005203286A (ja) * | 2004-01-16 | 2005-07-28 | Sanyo Electric Co Ltd | 表示パネルの製造方法および表示パネル |
| US9701581B2 (en) | 2009-06-04 | 2017-07-11 | Corelase Oy | Method and apparatus for processing substrates using a laser |
-
2010
- 2010-05-18 FI FI20105539A patent/FI123860B/fi active IP Right Grant
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2011
- 2011-05-16 TW TW100117037A patent/TWI545662B/zh not_active IP Right Cessation
- 2011-05-17 WO PCT/FI2011/050453 patent/WO2011144813A2/en not_active Ceased
- 2011-05-17 KR KR1020127032436A patent/KR101710462B1/ko not_active Expired - Fee Related
- 2011-05-17 US US13/643,306 patent/US9171822B2/en active Active
- 2011-05-17 ES ES11729434.8T patent/ES2539860T3/es active Active
- 2011-05-17 CN CN201180024487.1A patent/CN102893384B/zh not_active Expired - Fee Related
- 2011-05-17 JP JP2013505512A patent/JP5487358B2/ja not_active Expired - Fee Related
- 2011-05-17 EP EP20110729434 patent/EP2572373B1/en not_active Not-in-force
- 2011-05-17 SG SG2012082822A patent/SG185509A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US9171822B2 (en) | 2015-10-27 |
| WO2011144813A3 (en) | 2012-08-02 |
| FI123860B (fi) | 2013-11-29 |
| ES2539860T3 (es) | 2015-07-06 |
| KR101710462B1 (ko) | 2017-03-03 |
| KR20130111943A (ko) | 2013-10-11 |
| JP2013526029A (ja) | 2013-06-20 |
| SG185509A1 (en) | 2012-12-28 |
| EP2572373A2 (en) | 2013-03-27 |
| TWI545662B (zh) | 2016-08-11 |
| CN102893384A (zh) | 2013-01-23 |
| FI20105539L (fi) | 2011-11-19 |
| EP2572373B1 (en) | 2015-05-06 |
| TW201201287A (en) | 2012-01-01 |
| WO2011144813A2 (en) | 2011-11-24 |
| FI20105539A0 (fi) | 2010-05-18 |
| CN102893384B (zh) | 2015-11-25 |
| FI20105539A7 (fi) | 2011-11-19 |
| US20130070428A1 (en) | 2013-03-21 |
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