KR100197844B1 - Method and device for producing three-dimensional bodies - Google Patents

Method and device for producing three-dimensional bodies Download PDF

Info

Publication number
KR100197844B1
KR100197844B1 KR1019950704998A KR19950704998A KR100197844B1 KR 100197844 B1 KR100197844 B1 KR 100197844B1 KR 1019950704998 A KR1019950704998 A KR 1019950704998A KR 19950704998 A KR19950704998 A KR 19950704998A KR 100197844 B1 KR100197844 B1 KR 100197844B1
Authority
KR
South Korea
Prior art keywords
medium
particles
pct
date nov
poles
Prior art date
Application number
KR1019950704998A
Other languages
English (en)
Inventor
Ralf Larson
Original Assignee
Arcam Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcam Ltd filed Critical Arcam Ltd
Application granted granted Critical
Publication of KR100197844B1 publication Critical patent/KR100197844B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/18—Heating by arc discharge
    • H05B7/20—Direct heating by arc discharge, i.e. where at least one end of the arc directly acts on the material to be heated, including additional resistance heating by arc current flowing through the material to be heated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/70—Gas flow means
    • 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
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/02—Plasma welding
    • B23K10/027—Welding for purposes other than joining, e.g. build-up welding
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/04—Welding for other purposes than joining, e.g. built-up welding
    • B23K9/044—Built-up welding on three-dimensional surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
    • G05B19/4099—Surface or curve machining, making 3D objects, e.g. desktop manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/22—Driving means
    • B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/40—Radiation means
    • B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/49—Nc machine tool, till multiple
    • G05B2219/49013—Deposit layers, cured by scanning laser, stereo lithography SLA, prototyping
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/49—Nc machine tool, till multiple
    • G05B2219/49018—Laser sintering of powder in layers, selective laser sintering SLS
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency
KR1019950704998A 1993-05-12 1995-11-10 Method and device for producing three-dimensional bodies KR100197844B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9301647A SE504560C2 (sv) 1993-05-12 1993-05-12 Sätt och anordning för skiktvis framställning av kroppar från pulver
PCT/SE1994/000442 WO1994026446A1 (en) 1993-05-12 1994-05-11 Method and device for producing three-dimensional bodies

Publications (1)

Publication Number Publication Date
KR100197844B1 true KR100197844B1 (en) 1999-06-15

Family

ID=20389928

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950704998A KR100197844B1 (en) 1993-05-12 1995-11-10 Method and device for producing three-dimensional bodies

Country Status (14)

Country Link
US (1) US5786562A (ko)
EP (1) EP0714333B1 (ko)
JP (1) JPH08509524A (ko)
KR (1) KR100197844B1 (ko)
CN (1) CN1085570C (ko)
AT (1) ATE182824T1 (ko)
AU (1) AU673083B2 (ko)
BR (1) BR9406599A (ko)
CA (1) CA2162561C (ko)
DE (1) DE69419924T2 (ko)
ES (1) ES2137367T3 (ko)
NO (1) NO307209B1 (ko)
SE (1) SE504560C2 (ko)
WO (1) WO1994026446A1 (ko)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514740C1 (de) * 1995-04-21 1996-04-11 Eos Electro Optical Syst Vorrichtung und Verfahren zum Herstellen eines dreidimensionalen Objektes
US6007318A (en) * 1996-12-20 1999-12-28 Z Corporation Method and apparatus for prototyping a three-dimensional object
US6989115B2 (en) 1996-12-20 2006-01-24 Z Corporation Method and apparatus for prototyping a three-dimensional object
US7037382B2 (en) 1996-12-20 2006-05-02 Z Corporation Three-dimensional printer
GB9826728D0 (en) 1998-12-04 1999-01-27 Rolls Royce Plc Method and apparatus for building up a workpiece by deposit welding
SE521124C2 (sv) * 2000-04-27 2003-09-30 Arcam Ab Anordning samt metod för framställande av en tredimensionell produkt
WO2002042023A1 (en) * 2000-11-27 2002-05-30 National University Of Singapore Method and apparatus for creating a three-dimensional metal part using high-temperature direct laser melting
DE10158169B4 (de) * 2001-11-28 2007-02-08 Cl Schutzrechtsverwaltungs Gmbh Vorrichtung zur Herstellung und/oder Bearbeitung von Bauteilen aus Pulverteilchen
US7168935B1 (en) 2002-08-02 2007-01-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Solid freeform fabrication apparatus and methods
SE524432C2 (sv) * 2002-12-19 2004-08-10 Arcam Ab Anordning samt metod för framställande av en tredimensionell produkt
SE524439C2 (sv) * 2002-12-19 2004-08-10 Arcam Ab Anordning samt metod för framställande av en tredimensionell produkt
DE10342883B4 (de) * 2003-09-15 2007-07-19 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Verfahren und Vorrichtung zur Herstellung eines dreidimensionalen Formkörpers
US20050263934A1 (en) * 2004-05-28 2005-12-01 3D Systems, Inc. Single side feed parked powder wave heating with wave flattener
US20050263933A1 (en) * 2004-05-28 2005-12-01 3D Systems, Inc. Single side bi-directional feed for laser sintering
EP1759791A1 (en) * 2005-09-05 2007-03-07 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Apparatus and method for building a three-dimensional article
JP2009508723A (ja) * 2005-09-20 2009-03-05 ピーティーエス ソフトウェア ビーブイ 三次元物品を構築する装置及び三次元物品を構築する方法
DE102006056422B3 (de) * 2006-11-28 2008-04-17 Cl Schutzrechtsverwaltungs Gmbh Beschichter- oder Ausgleichseinrichtung für eine Bauvorrichtung zur Erstellung von Formteilen aus Baumaterial
JP5213006B2 (ja) * 2006-12-22 2013-06-19 パナソニック株式会社 三次元形状造形物の製造方法
JP5711538B2 (ja) * 2008-03-14 2015-05-07 ヴァルスパー・ソーシング・インコーポレーテッド 粉末組成物および当該粉末組成物から物品を製造する方法
CA2629041A1 (en) * 2008-04-14 2009-10-14 Steven L. Pankhurst Weld-on-weld device
GB0813241D0 (en) 2008-07-18 2008-08-27 Mcp Tooling Technologies Ltd Manufacturing apparatus and method
CN102573704B (zh) 2009-08-19 2016-03-16 史密夫和内修有限公司 多孔植入物结构
JP4566286B1 (ja) * 2010-04-14 2010-10-20 株式会社松浦機械製作所 三次元造形製品の製造装置
DE102010014969A1 (de) * 2010-04-14 2011-10-20 Voxeljet Technology Gmbh Vorrichtung zum Herstellen dreidimensionaler Modelle
JP4566285B1 (ja) * 2010-04-14 2010-10-20 株式会社松浦機械製作所 三次元造形製品の製造装置
JP4566284B1 (ja) * 2010-04-14 2010-10-20 株式会社松浦機械製作所 三次元造形製品の製造装置
US8568124B2 (en) * 2011-04-21 2013-10-29 The Ex One Company Powder spreader
FR2975320B1 (fr) * 2011-05-20 2015-05-29 Snecma Installation de fabrication d'une piece par fusion selective de poudre
JP6178491B2 (ja) 2013-03-15 2017-08-09 スリーディー システムズ インコーポレーテッド レーザ焼結システムのための改善された粉体の分配
JP6145214B2 (ja) 2013-03-28 2017-06-07 ヒューレット パッカード エンタープライズ デベロップメント エル ピーＨｅｗｌｅｔｔ Ｐａｃｋａｒｄ Ｅｎｔｅｒｐｒｉｓｅ Ｄｅｖｅｌｏｐｍｅｎｔ ＬＰ 電子デバイス用シールド
EP3007879B1 (en) * 2013-06-10 2019-02-13 Renishaw Plc. Selective laser solidification apparatus and method
GB201310398D0 (en) 2013-06-11 2013-07-24 Renishaw Plc Additive manufacturing apparatus and method
CN104249556A (zh) * 2013-06-27 2014-12-31 田珉 3d产品打印机及程控路径
GB201315036D0 (en) * 2013-08-22 2013-10-02 Renishaw Plc Apparatus and method for building objects by selective solidification of powder material
CN103568324B (zh) * 2013-10-11 2017-10-20 宁波远志立方能源科技有限公司 一种3d打印方法
WO2015126431A1 (en) * 2014-02-24 2015-08-27 Empire Technology Development Llc Increased interlayer adhesions of three-dimensional printed articles
GB201404854D0 (en) 2014-03-18 2014-04-30 Renishaw Plc Selective solidification apparatus and method
GB2546016B (en) 2014-06-20 2018-11-28 Velo3D Inc Apparatuses, systems and methods for three-dimensional printing
WO2016060703A1 (en) 2014-10-14 2016-04-21 3D Forms, Inc. Additive manufacturing using heated and shaped gas beams
US10098746B1 (en) 2015-02-13 2018-10-16 Nextstep Arthropedix, LLC Medical implants having desired surface features and methods of manufacturing
US11802321B2 (en) 2015-03-17 2023-10-31 Elementum 3D, Inc. Additive manufacturing of metal alloys and metal alloy matrix composites
US10507638B2 (en) * 2015-03-17 2019-12-17 Elementum 3D, Inc. Reactive additive manufacturing
GB201505458D0 (en) 2015-03-30 2015-05-13 Renishaw Plc Additive manufacturing apparatus and methods
CN107848208A (zh) * 2015-06-19 2018-03-27 应用材料公司 利用静电压实的增材制造
CN105109050A (zh) * 2015-09-01 2015-12-02 上海悦瑞电子科技有限公司 具有多热熔点的选择性微细热熔成型系统
WO2017079091A1 (en) 2015-11-06 2017-05-11 Velo3D, Inc. Adept three-dimensional printing
CN108698126A (zh) 2015-12-10 2018-10-23 维洛3D公司 精湛的三维打印
CN105459408B (zh) * 2016-01-29 2017-06-27 芜湖市爱三迪电子科技有限公司 一种可自动剥离模型且连续打印的3d打印机
WO2017143077A1 (en) 2016-02-18 2017-08-24 Velo3D, Inc. Accurate three-dimensional printing
EP3492244A1 (en) 2016-06-29 2019-06-05 VELO3D, Inc. Three-dimensional printing system and method for three-dimensional printing
US11691343B2 (en) 2016-06-29 2023-07-04 Velo3D, Inc. Three-dimensional printing and three-dimensional printers
DE102016211952A1 (de) * 2016-06-30 2018-01-04 Eos Gmbh Electro Optical Systems Beschichtungseinheit, Beschichtungsverfahren, Vorrichtung und Verfahren zum generativen Herstellen eines dreidimensionalen Objekts
CN107971492B (zh) * 2016-10-25 2020-11-27 南京钛陶智能系统有限责任公司 一种用于三维打印的熔融原料生成方法
US10661341B2 (en) 2016-11-07 2020-05-26 Velo3D, Inc. Gas flow in three-dimensional printing
US10611092B2 (en) 2017-01-05 2020-04-07 Velo3D, Inc. Optics in three-dimensional printing
US10369629B2 (en) 2017-03-02 2019-08-06 Veo3D, Inc. Three-dimensional printing of three-dimensional objects
US20180281237A1 (en) 2017-03-28 2018-10-04 Velo3D, Inc. Material manipulation in three-dimensional printing
CN107584116A (zh) * 2017-08-10 2018-01-16 常兆芹 电阻焊式金属三维打印机及其使用方法
US10272525B1 (en) 2017-12-27 2019-04-30 Velo3D, Inc. Three-dimensional printing systems and methods of their use
US10144176B1 (en) 2018-01-15 2018-12-04 Velo3D, Inc. Three-dimensional printing systems and methods of their use
FR3079773B1 (fr) * 2018-04-06 2022-03-18 Addup Dispositif de chauffage pour appareil de fabrication additive
FR3079774B1 (fr) * 2018-04-06 2022-01-07 Addup Dispositif de chauffage localise pour appareil de fabrication additive
CN108971490A (zh) * 2018-08-13 2018-12-11 常兆芹 第二代电阻焊式三维打印机及其使用方法
CN109465450A (zh) * 2018-11-21 2019-03-15 中船海洋动力部件有限公司 送丝式垂直打印金属材料的3d打印机
DE102019110149A1 (de) * 2019-04-17 2020-10-22 Brandenburgische Technische Universität Cottbus-Senftenberg Sintern durch steuerung der strompfade

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340052A (en) * 1961-12-26 1967-09-05 Inoue Kiyoshi Method of electrically sintering discrete bodies
DE3430114C2 (de) * 1984-08-16 1986-12-18 J.M. Voith Gmbh, 7920 Heidenheim Vorrichtung zum Aufbauen eines Werkstücks durch Auftragschweißen
ATE138294T1 (de) * 1986-10-17 1996-06-15 Univ Texas Verfahren und vorrichtung zur herstellung von gesinterten formkörpern durch teilsinterung
US4863538A (en) * 1986-10-17 1989-09-05 Board Of Regents, The University Of Texas System Method and apparatus for producing parts by selective sintering
EP0289116A1 (en) * 1987-03-04 1988-11-02 Westinghouse Electric Corporation Method and device for casting powdered materials
WO1990003893A1 (en) * 1988-10-05 1990-04-19 Michael Feygin An improved apparatus and method for forming an integral object from laminations
WO1990015375A1 (en) * 1989-06-01 1990-12-13 Galwelat, Michael Three-dimensional model making machine

Also Published As

Publication number Publication date
DE69419924T2 (de) 2000-04-20
US5786562A (en) 1998-07-28
JPH08509524A (ja) 1996-10-08
ES2137367T3 (es) 1999-12-16
WO1994026446A1 (en) 1994-11-24
NO954363D0 (no) 1995-11-01
SE9301647D0 (sv) 1993-05-12
NO954363L (no) 1995-11-08
DE69419924D1 (de) 1999-09-09
EP0714333A1 (en) 1996-06-05
ATE182824T1 (de) 1999-08-15
EP0714333B1 (en) 1999-08-04
SE9301647L (sv) 1994-11-13
SE504560C2 (sv) 1997-03-03
AU673083B2 (en) 1996-10-24
CA2162561A1 (en) 1994-11-24
BR9406599A (pt) 1996-01-02
AU6764294A (en) 1994-12-12
CN1123011A (zh) 1996-05-22
CN1085570C (zh) 2002-05-29
NO307209B1 (no) 2000-02-28
CA2162561C (en) 2000-08-01

Similar Documents

Publication Publication Date Title
KR100197844B1 (en) Method and device for producing three-dimensional bodies
JPS6443986A (en) Composite electric mutual connection medium including conductor network and product, assembly and method
CA2074648A1 (en) Polyimide multilayer wiring substrate and method for manufacturing the same
MY119340A (en) Multilayer electronic part and method for producing the same
CA2191823A1 (en) Bipolar Electrosurgical Scissors and Method of Manufacture
GB2328319B (en) A frequency selective surface
WO2000044020A3 (en) Laminate-based apparatus and method of fabrication
EP2684227A1 (de) Schichtverbund mit elektroaktiven schichten
AU2625484A (en) Method of making electrode
JP2002530000A5 (ko)
DE3460837D1 (en) Process for producing an electrically conductive layer on a solid electrolyte surface, and electrically conductive layer
EP0975207A3 (en) Electromagnetic wave attenuating transparent member
DE2966841D1 (en) Method for forming electrical connections between conducting layers in semiconductor structures
JPS56157011A (en) Open-magnetic-circuit type laminated coil
MA19304A1 (fr) Disositif de production d'energie electrique utilisant et controlant l'energie potentielle de la mer.
GB1478354A (en) Multiple electrical components in integral form and method of making the same
CN105306014B (zh) 一种脉冲声音发生的方法
JPS5790023A (en) Lamination method and laminate formed thereby
JPS6447010A (en) Manufacture of chip inductor
FR2458163A1 (fr) Barre omnibus de haute capacite et son procede de fabrication
JPS56101369A (en) Coil
GOO et al. Block patterning of the metallization of polyvinylidene fluoride transducers(Patent)
JPS56114191A (en) Current-drive magnetic bubble element
JPS5723208A (en) Manufacture of closed magnetic circuit inductor
JPS576861A (en) Ion current electrostatic recorder

Legal Events

Date Code Title Description
A201 Request for examination
N231 Notification of change of applicant
E902 Notification of reason for refusal
N231 Notification of change of applicant
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20110201

Year of fee payment: 13

LAPS Lapse due to unpaid annual fee