DE3682824D1 - Keramische platte fuer mehrschichtschaltungsverbindungen und verfahren zum herstellen derselben. - Google Patents

Keramische platte fuer mehrschichtschaltungsverbindungen und verfahren zum herstellen derselben.

Info

Publication number
DE3682824D1
DE3682824D1 DE8686303665T DE3682824T DE3682824D1 DE 3682824 D1 DE3682824 D1 DE 3682824D1 DE 8686303665 T DE8686303665 T DE 8686303665T DE 3682824 T DE3682824 T DE 3682824T DE 3682824 D1 DE3682824 D1 DE 3682824D1
Authority
DE
Germany
Prior art keywords
producing
same
ceramic plate
multilayer circuit
circuit connections
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8686303665T
Other languages
English (en)
Inventor
Nobuyuki Ushifusa
Kousei Nagayama
Gyozo Toda
Satoru Ogihara
Hiroichi Shinohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3682824D1 publication Critical patent/DE3682824D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/12—Mountings, e.g. non-detachable insulating substrates
    • H01L23/14—Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
    • H01L23/15—Ceramic or glass substrates
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
    • C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
    • 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
    • H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
    • H01L21/4803—Insulating or insulated parts, e.g. mountings, containers, diamond heatsinks
    • H01L21/4807—Ceramic parts
    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/10—Bump connectors; Manufacturing methods related thereto
    • H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
    • H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/10—Bump connectors; Manufacturing methods related thereto
    • H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
    • H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
    • H01L2224/161—Disposition
    • H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
    • H01L2224/16235—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation the bump connector connecting to a via metallisation of the item
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01—Chemical elements
    • H01L2924/01014—Silicon [Si]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01—Chemical elements
    • H01L2924/01019—Potassium [K]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01—Chemical elements
    • H01L2924/0102—Calcium [Ca]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01—Chemical elements
    • H01L2924/01037—Rubidium [Rb]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01—Chemical elements
    • H01L2924/01055—Cesium [Cs]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01—Chemical elements
    • H01L2924/01078—Platinum [Pt]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01—Chemical elements
    • H01L2924/01079—Gold [Au]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/151—Die mounting substrate
    • H01L2924/153—Connection portion
    • H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
    • H01L2924/15312—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a pin array, e.g. PGA
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/151—Die mounting substrate
    • H01L2924/156—Material
    • H01L2924/15786—Material with a principal constituent of the material being a non metallic, non metalloid inorganic material
    • H01L2924/15787—Ceramics, e.g. crystalline carbides, nitrides or oxides
    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
    • 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
    • H05K3/46—Manufacturing multilayer circuits
    • H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
    • H05K3/4673—Application methods or materials of intermediate insulating layers not specially adapted to any one of the previous methods of adding a circuit layer
    • H05K3/4676—Single layer compositions
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/901—Printed circuit
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49155—Manufacturing circuit on or in base
    • Y10T29/49163—Manufacturing circuit on or in base with sintering of base
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24322—Composite web or sheet
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
DE8686303665T 1985-05-21 1986-05-14 Keramische platte fuer mehrschichtschaltungsverbindungen und verfahren zum herstellen derselben. Expired - Lifetime DE3682824D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60109112A JPS61266350A (ja) 1985-05-21 1985-05-21 配線回路用セラミック基板

Publications (1)

Publication Number Publication Date
DE3682824D1 true DE3682824D1 (de) 1992-01-23

Family

ID=14501863

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686303665T Expired - Lifetime DE3682824D1 (de) 1985-05-21 1986-05-14 Keramische platte fuer mehrschichtschaltungsverbindungen und verfahren zum herstellen derselben.

Country Status (5)

Country Link
US (1) US4736276A (de)
EP (1) EP0202858B1 (de)
JP (1) JPS61266350A (de)
KR (1) KR920000968B1 (de)
DE (1) DE3682824D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0610927B2 (ja) * 1985-04-05 1994-02-09 株式会社日立製作所 セラミック基板の製造方法
US5015609A (en) * 1986-09-16 1991-05-14 Lanxide Technology Company, Lp Ceramic composite structures having intrinsically fitted encasement members thereon and methods of making the same
US4775596A (en) * 1987-02-18 1988-10-04 Corning Glass Works Composite substrate for integrated circuits
JP2760541B2 (ja) * 1988-03-02 1998-06-04 新光電気工業株式会社 セラミック組成物
DE3814863A1 (de) * 1988-05-02 1989-11-16 Siemens Ag Verfahren zum herstellen von vielschichtenkeramik auf silikatbasis
US4914813A (en) * 1988-11-25 1990-04-10 Innovative Packing Technology Refurbishing of prior used laminated ceramic packages
USRE34291E (en) * 1989-09-27 1993-06-22 Gec-Marconi Electronic Systems Corp. Hybrid module electronics package
US4996630A (en) * 1989-09-27 1991-02-26 Plessey Electronic Systems Corp. Hybrid module electronics package
CA2036771A1 (en) * 1990-02-22 1991-09-30 Jun Inasaka Multilayer ceramic wiring substrate and pin connecting structure
JPH0829993B2 (ja) * 1991-09-23 1996-03-27 インターナショナル・ビジネス・マシーンズ・コーポレイション セラミツク複合構造及びその製造方法
JPH06169174A (ja) * 1992-08-17 1994-06-14 Praxair Technol Inc 多層セラミック構造物からのバインダー除去
US5673478A (en) * 1995-04-28 1997-10-07 Texas Instruments Incorporated Method of forming an electronic device having I/O reroute
US6081026A (en) * 1998-11-13 2000-06-27 Fujitsu Limited High density signal interposer with power and ground wrap
US6239485B1 (en) 1998-11-13 2001-05-29 Fujitsu Limited Reduced cross-talk noise high density signal interposer with power and ground wrap
US6762367B2 (en) * 2002-09-17 2004-07-13 International Business Machines Corporation Electronic package having high density signal wires with low resistance
CN100352319C (zh) * 2002-09-20 2007-11-28 日本特殊陶业株式会社 由树脂制成的带有插脚的电路板
JP4566866B2 (ja) * 2005-09-07 2010-10-20 新光電気工業株式会社 半導体パッケージ、半導体パッケージの実装構造、半導体パッケージの製造方法
CN108530021A (zh) * 2018-04-16 2018-09-14 广东金意陶陶瓷集团有限公司 一种高导热的电热瓷砖及制作方法
CN113646883A (zh) * 2019-03-29 2021-11-12 京瓷株式会社 布线基板、电子装置用封装件以及电子装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB678636A (de) *
GB736148A (en) * 1952-02-01 1955-09-07 Morgan Crucible Co Ceramic materials
US3773532A (en) * 1972-07-13 1973-11-20 Taylors Sons Co Chas Mullite-chrome refractory
US4272500A (en) * 1978-05-08 1981-06-09 International Business Machines Corporation Process for forming mullite
JPS55139709A (en) * 1979-04-18 1980-10-31 Fujitsu Ltd Method of fabricating mullite substrate
JPS57115895A (en) * 1981-01-12 1982-07-19 Hitachi Ltd Mullite sintered material and method of producing same
US4396720A (en) * 1982-07-06 1983-08-02 Corning Glass Works Transparent glass-ceramics containing mullite
JPS6014494A (ja) * 1983-07-04 1985-01-25 株式会社日立製作所 セラミツク多層配線基板およびその製造方法
JPS60136294A (ja) * 1983-12-23 1985-07-19 株式会社日立製作所 セラミック多層配線回路板
US4528275A (en) * 1984-06-04 1985-07-09 General Electric Company Mullite-cordierite composite ceramic and method for preparation
JPS6136168A (ja) * 1984-07-27 1986-02-20 株式会社日立製作所 多層回路板とその製造方法

Also Published As

Publication number Publication date
US4736276A (en) 1988-04-05
EP0202858A3 (en) 1987-08-05
KR860009605A (ko) 1986-12-23
KR920000968B1 (ko) 1992-01-31
EP0202858B1 (de) 1991-12-11
JPH0524107B2 (de) 1993-04-06
EP0202858A2 (de) 1986-11-26
JPS61266350A (ja) 1986-11-26

Similar Documents

Publication Publication Date Title
DE3682824D1 (de) Keramische platte fuer mehrschichtschaltungsverbindungen und verfahren zum herstellen derselben.
DE3485930T2 (de) Mehrschichtiges keramisches substrat und verfahren zum herstellen desselben.
DE3688356T2 (de) Elektronische keramische vorrichtung und zugehoeriges herstellungsverfahren.
DE3578149D1 (de) Verfahren zum herstellen von kupferkaschiertem basismaterial fuer leiterplatten.
DE3575241D1 (de) Halbleiteranordnung und verfahren zum herstellen derselben.
DE3683557D1 (de) Keramische mehrschichtschaltungsplatte.
DE3576900D1 (de) Verfahren zum herstellen von gedruckten schaltungen.
DE3869492D1 (de) Elektronische mikroschaltungskarte und verfahren zum herstellen derselben.
DE69033993T2 (de) Mehrschicht-Hybridschaltkreis
DE3689538D1 (de) Integrierte Schaltung und Optimierungsverfahren dafür.
DK339586D0 (da) Elektronisk ballast
DE69939619D1 (de) Keramikplatte und verfahren zum herstellen der keramikplatte
DE3586080D1 (de) Verfahren zum herstellen von gruenen mehrschicht-keramikfolien.
DE68920291T2 (de) Verfahren zum Herstellen von leitenden Bahnen und Stützen.
DE3382183D1 (de) Monolithische integrierte mikrowellenschaltung und verfahren zum auswaehlen derselben.
DE3688410T2 (de) Verfahren, System und Schaltung zur Anpassung der Verzögerungszeit.
DE3668607D1 (de) Verfahren zum herstellen von sialonpulvern.
KR900700635A (ko) 무방향성 전자 강판의 제조방법
DE3650139T2 (de) Verfahren zum reduzieren der immunogenizität und zum induzieren immunologischer toleranz.
DE3677139D1 (de) Hybridschaltung und verfahren zum herstellen einer solchen schaltung.
IL86429A0 (en) Apparatus for extruding cellular ceramic structures
EP0202684A3 (en) Method for selectively driving electrical circuits and circuit for performing the method
DE3681937D1 (de) Verfahren zum herstellen und transportieren.
IT1241204B (it) Metodo per fabbricare piastrine per circuiti stampati
DE3851294T2 (de) Keramische Struktur mit Kupferleiter und Verfahren zum Herstellen solcher Struktur.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee