JP4932370B2 - 電解めっき方法、プリント配線板及び半導体ウェハー - Google Patents
電解めっき方法、プリント配線板及び半導体ウェハー Download PDFInfo
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- JP4932370B2 JP4932370B2 JP2006205665A JP2006205665A JP4932370B2 JP 4932370 B2 JP4932370 B2 JP 4932370B2 JP 2006205665 A JP2006205665 A JP 2006205665A JP 2006205665 A JP2006205665 A JP 2006205665A JP 4932370 B2 JP4932370 B2 JP 4932370B2
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- plating
- hole
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- holes
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- 238000000034 method Methods 0.000 title claims description 47
- 238000009713 electroplating Methods 0.000 title claims description 26
- 239000004065 semiconductor Substances 0.000 title claims description 9
- 238000007747 plating Methods 0.000 claims description 186
- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 230000008021 deposition Effects 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000003795 desorption Methods 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000035515 penetration Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 13
- 238000000151 deposition Methods 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 238000005868 electrolysis reaction Methods 0.000 description 10
- 229910000365 copper sulfate Inorganic materials 0.000 description 8
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 8
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- 235000012431 wafers Nutrition 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 238000004070 electrodeposition Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/423—Plated through-holes or plated via connections characterised by electroplating method
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/18—Electroplating using modulated, pulsed or reversing current
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/60—Electroplating characterised by the structure or texture of the layers
- C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
- C25D5/611—Smooth layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/12—Semiconductors
- C25D7/123—Semiconductors first coated with a seed layer or a conductive layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/288—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition
- H01L21/2885—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition using an external electrical current, i.e. electro-deposition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/095—Conductive through-holes or vias
- H05K2201/09563—Metal filled via
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/14—Related to the order of processing steps
- H05K2203/1476—Same or similar kind of process performed in phases, e.g. coarse patterning followed by fine patterning
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/14—Related to the order of processing steps
- H05K2203/1492—Periodical treatments, e.g. pulse plating of through-holes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/421—Blind plated via connections
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12229—Intermediate article [e.g., blank, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
Description
(IF×tF−IR×tR)/(tF+tR)>0となるよう任意に設定できるが、好ましくはtF=1〜100msec、tR=0.1〜5msecであり、より好ましくはtF=10〜50msec、tR=0.5〜3msecである。
Tp/RH=L−0.1logRH
RH:非貫通孔の開口径(単位:μm)
L:直流めっきの電流密度、被めっき部材表面におけるめっきの厚さ、めっき液組成によって決まる定数
半導体ウェハーのブラインドビアホールに適用した場合も同様である。
以下、実施例により本発明の詳細を説明するが、かかる実施例は例示にすぎず、本発明の範囲を何ら制限するものではない。
めっき液組成
硫酸銅・5水和物 80g/L
硫酸 200g/L
塩化物イオン 60mg/L
ポリエチレングリコール 800mg/L
SPS(sodium bis−3−sulfopropyl disulfide)
5mg/L
パルスめっき条件
電流密度 1.0A/dm2
IR/IF比 3/1
正電流時間 20msec
逆電流時間 1msec
めっき時間 0〜112分
直流めっき条件
電流密度 1.0A/dm2
時間 0〜112分
総めっき厚 25μm
めっき液組成
硫酸銅・5水和物 150g/L
硫酸 100g/L
塩化物イオン 60mg/L
ポリエチレングリコール 0または800mg/L
SPS(sodium bis−3−sulfopropyl disulfide)
0または5mg/L
パルスめっき条件
電流密度 2.0A/dm2
IR/IF比 3/1
正電流時間 20msec
逆電流時間 1msec
めっき時間 10分
直流めっき条件
電流密度 2.0A/dm2
時間 46分
総めっき厚 25μm
めっき液組成
硫酸銅・5水和物 150g/L
硫酸 100g/L
塩化物イオン 60mg/L
ポリエチレングリコール 800mg/L
SPS(sodium bis−3−sulfopropyl disulfide)
5mg/L
パルスめっき条件
電流密度 1.0A/dm2
IR/IF比 3/1
正電流時間 20msec
逆電流時間 1msec
めっき時間 10分
直流めっき条件
電流密度 1.0A/dm2
時間 0〜90分
めっき厚 0〜20μm
めっき液組成
硫酸銅・5水和物 150g/L
硫酸 100g/L
塩化物イオン 60mg/L
ポリエチレングリコール 800mg/L
SPS(sodium bis−3−sulfopropyl disulfide)
5mg/L
パルスめっき条件
電流密度 1.0A/dm2
IR/IF比 3/1
正電流時間 20msec
逆電流時間 1msec
めっき時間 10分
直流めっき条件
電流密度 1.0〜4.0A/dm2
時間 25〜102分
総めっき厚 25μm
Claims (7)
- 添加剤として界面活性剤、光沢剤、平滑化剤、及びめっき析出を促進する促進剤を含むめっき液を用いた電解めっき方法において、めっき工程が周期的に電流を反転させて被めっき部材の表面および非貫通孔内における添加剤の吸着および離脱を制御するパルスめっき工程と、これに引続いて連続的に前記パルスめっき工程と同一のめっき液を用いて、直流電流を連続で流して非貫通孔内を充填する直流めっき工程とからなることを特徴とする電解めっき方法。
- 前記パルスめっきによって形成される前記被めっき部材の表面におけるめっきの厚さが15μm以下である、請求項1に記載の電解めっき方法。
- 前記パルスめっき工程は、前記被めっき部材の非貫通孔内に吸着する促進剤の量が前記被めっき部材の表面に吸着する促進剤の量より多くなるように制御する工程である、請求項1又は2に記載の電解めっき方法。
- 被めっき部材の対向電極に不溶性電極を用いる、請求項1から3のいずれか1項に記載の電解めっき方法。
- めっきとして析出する金属が銅である、請求項1から4のいずれか1項に記載の電解めっき方法。
- 請求項1から5のいずれか1項に記載の方法により電解めっきされた、少なくとも1つの非貫通孔を有するプリント配線板。
- 請求項1から5のいずれか1項に記載の方法により電解めっきされた半導体ウェハー。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006205665A JP4932370B2 (ja) | 2006-07-28 | 2006-07-28 | 電解めっき方法、プリント配線板及び半導体ウェハー |
US11/726,992 US20080023218A1 (en) | 2006-07-28 | 2007-03-23 | Electrolytic plating method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006205665A JP4932370B2 (ja) | 2006-07-28 | 2006-07-28 | 電解めっき方法、プリント配線板及び半導体ウェハー |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008031516A JP2008031516A (ja) | 2008-02-14 |
JP4932370B2 true JP4932370B2 (ja) | 2012-05-16 |
Family
ID=38984994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006205665A Expired - Fee Related JP4932370B2 (ja) | 2006-07-28 | 2006-07-28 | 電解めっき方法、プリント配線板及び半導体ウェハー |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080023218A1 (ja) |
JP (1) | JP4932370B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11737210B2 (en) | 2020-07-24 | 2023-08-22 | Samsung Electro-Mechanics Co., Ltd. | Printed circuit board |
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JP5631281B2 (ja) * | 2010-08-31 | 2014-11-26 | 京セラ株式会社 | 配線基板の製造方法及びその実装構造体の製造方法 |
FR2974582A1 (fr) * | 2011-04-27 | 2012-11-02 | Commissariat Energie Atomique | Procede de croissance de particules metalliques par electrodeposition avec inhibition in situ |
US10508357B2 (en) * | 2016-02-15 | 2019-12-17 | Rohm And Haas Electronic Materials Llc | Method of filling through-holes to reduce voids and other defects |
US10512174B2 (en) * | 2016-02-15 | 2019-12-17 | Rohm And Haas Electronic Materials Llc | Method of filling through-holes to reduce voids and other defects |
CN106793576B (zh) * | 2016-12-27 | 2019-04-02 | 江门崇达电路技术有限公司 | 一种pcb中盲孔的填孔方法 |
CN106982521B (zh) * | 2017-03-22 | 2019-05-14 | 深圳崇达多层线路板有限公司 | 一种高厚径比印制电路板通孔镀铜的制作方法 |
US11746433B2 (en) | 2019-11-05 | 2023-09-05 | Macdermid Enthone Inc. | Single step electrolytic method of filling through holes in printed circuit boards and other substrates |
CN111270277B (zh) * | 2020-03-23 | 2021-05-25 | 东莞市康迈克电子材料有限公司 | 盲孔填孔电镀工艺及采用该工艺得到的镀件、镀件的应用、电子产品 |
CN112030204B (zh) * | 2020-08-28 | 2021-10-15 | 生益电子股份有限公司 | 一种通孔电镀填平方法及印制电路板的制备方法 |
CN112030203B (zh) * | 2020-08-28 | 2021-10-26 | 生益电子股份有限公司 | 一种通孔电镀填孔方法及印制电路板的制备方法 |
CN115835530A (zh) * | 2021-09-17 | 2023-03-21 | 无锡深南电路有限公司 | 一种电路板的加工方法及电路板 |
CN114513898A (zh) * | 2022-02-15 | 2022-05-17 | 深圳崇达多层线路板有限公司 | 一种提升填孔电镀时通孔深镀能力的方法 |
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JP2004323971A (ja) * | 2003-04-25 | 2004-11-18 | Rohm & Haas Electronic Materials Llc | 改良された浴分析 |
US7128822B2 (en) * | 2003-06-04 | 2006-10-31 | Shipley Company, L.L.C. | Leveler compounds |
JP2005019577A (ja) * | 2003-06-25 | 2005-01-20 | Hitachi Cable Ltd | 半導体装置用テープキャリアの製造方法 |
TW200613586A (en) * | 2004-07-22 | 2006-05-01 | Rohm & Haas Elect Mat | Leveler compounds |
JP2006283072A (ja) * | 2005-03-31 | 2006-10-19 | Atotech Deutsche Gmbh | マイクロビアやスルーホールをめっきする方法 |
US8784634B2 (en) * | 2006-03-30 | 2014-07-22 | Atotech Deutschland Gmbh | Electrolytic method for filling holes and cavities with metals |
-
2006
- 2006-07-28 JP JP2006205665A patent/JP4932370B2/ja not_active Expired - Fee Related
-
2007
- 2007-03-23 US US11/726,992 patent/US20080023218A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11737210B2 (en) | 2020-07-24 | 2023-08-22 | Samsung Electro-Mechanics Co., Ltd. | Printed circuit board |
Also Published As
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US20080023218A1 (en) | 2008-01-31 |
JP2008031516A (ja) | 2008-02-14 |
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