IL133147A - A multi-layered metal preparation on top of a thin polymer product and a process for its preparation - Google Patents

A multi-layered metal preparation on top of a thin polymer product and a process for its preparation

Info

Publication number
IL133147A
IL133147A IL13314799A IL13314799A IL133147A IL 133147 A IL133147 A IL 133147A IL 13314799 A IL13314799 A IL 13314799A IL 13314799 A IL13314799 A IL 13314799A IL 133147 A IL133147 A IL 133147A
Authority
IL
Israel
Prior art keywords
nitride
composite
metal
layer
copper
Prior art date
Application number
IL13314799A
Other languages
English (en)
Hebrew (he)
Other versions
IL133147A0 (en
Original Assignee
Micrometal Technologies Inc
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 Micrometal Technologies Inc filed Critical Micrometal Technologies Inc
Publication of IL133147A0 publication Critical patent/IL133147A0/xx
Publication of IL133147A publication Critical patent/IL133147A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/12Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/02Pretreatment of the material to be coated
    • C23C14/021Cleaning or etching treatments
    • C23C14/022Cleaning or etching treatments by means of bombardment with energetic particles or radiation
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/0641Nitrides
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14Metallic material, boron or silicon
    • C23C14/20Metallic material, boron or silicon on organic substrates
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/38Improvement of the adhesion between the insulating substrate and the metal
    • H05K3/388Improvement of the adhesion between the insulating substrate and the metal by the use of a metallic or inorganic thin film adhesion layer
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
    • Y10T428/24545Containing metal or metal compound
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24917Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/3154Of fluorinated addition polymer from unsaturated monomers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31721Of polyimide
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31786Of polyester [e.g., alkyd, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Laminated Bodies (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Physical Vapour Deposition (AREA)
IL13314799A 1998-03-26 1999-02-08 A multi-layered metal preparation on top of a thin polymer product and a process for its preparation IL133147A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/053,859 US6042929A (en) 1998-03-26 1998-03-26 Multilayer metalized composite on polymer film product and process
PCT/US1999/002961 WO1999048620A1 (fr) 1998-03-26 1999-02-08 Produit constitue d'un composite metallise multicouche sur un film polymere et procede associe

Publications (2)

Publication Number Publication Date
IL133147A0 IL133147A0 (en) 2001-03-19
IL133147A true IL133147A (en) 2004-02-08

Family

ID=21987036

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13314799A IL133147A (en) 1998-03-26 1999-02-08 A multi-layered metal preparation on top of a thin polymer product and a process for its preparation

Country Status (11)

Country Link
US (1) US6042929A (fr)
EP (1) EP0989914B1 (fr)
JP (1) JP2002511809A (fr)
KR (1) KR20010013051A (fr)
CN (1) CN1198692C (fr)
AT (1) ATE401766T1 (fr)
BR (1) BR9904886A (fr)
CA (1) CA2306786C (fr)
DE (1) DE69939087D1 (fr)
IL (1) IL133147A (fr)
WO (1) WO1999048620A1 (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6083628A (en) * 1994-11-04 2000-07-04 Sigma Laboratories Of Arizona, Inc. Hybrid polymer film
JP3606095B2 (ja) * 1998-10-06 2005-01-05 セイコーエプソン株式会社 半導体装置の製造方法
JP2000294922A (ja) * 1999-04-01 2000-10-20 Victor Co Of Japan Ltd 多層プリント配線板用の絶縁樹脂組成物
US6734455B2 (en) * 2001-03-15 2004-05-11 Micron Technology, Inc. Agglomeration elimination for metal sputter deposition of chalcogenides
CA2445901A1 (fr) * 2001-05-04 2002-11-14 Micrometal Technologies Inc. Substrats dielectriques metallises pour etiquettes electroniques de surveillance (eas)
JP3578116B2 (ja) * 2001-06-25 2004-10-20 Tdk株式会社 スピンバルブ巨大磁気抵抗効果センサの製造方法及び薄膜磁気ヘッドの製造方法
TW532052B (en) * 2001-06-27 2003-05-11 Ngk Spark Plug Co Production method of a distribution substrate
WO2003008110A1 (fr) * 2001-07-18 2003-01-30 The Regents Of The University Of Colorado Un procede de depot d'un film inorganique sur une surface de polymer organique
US6872652B2 (en) * 2001-08-28 2005-03-29 Infineon Technologies Ag Method of cleaning an inter-level dielectric interconnect
JP2003221456A (ja) * 2002-01-29 2003-08-05 Japan Gore Tex Inc 高接着性液晶ポリマーフィルム
US7113131B2 (en) * 2002-05-02 2006-09-26 Micrometal Technologies, Inc. Metalized dielectric substrates for EAS tags
JP4517564B2 (ja) * 2002-05-23 2010-08-04 住友金属鉱山株式会社 2層銅ポリイミド基板
MXPA05007915A (es) 2003-01-30 2005-09-30 Europlasma Metodo para proporcionar un revestimiento sobre las superficies de un producto con una estructura de celda abierta a lo largo de su estructura y uso de tal metodo.
WO2006007437A1 (fr) * 2004-06-16 2006-01-19 Ppg Industries Ohio, Inc. Procedes d'elimination de couches de revetement polymeriques de substrats revetus
KR100807796B1 (ko) * 2005-05-19 2008-03-06 한덕수 미세 패턴용 연성다층인쇄회로기판
KR20070049278A (ko) * 2005-11-08 2007-05-11 삼성전자주식회사 배선, 이를 포함하는 박막 트랜지스터 기판과 그 제조 방법
KR100850212B1 (ko) * 2007-04-20 2008-08-04 삼성전자주식회사 균일한 무전해 도금 두께를 얻을 수 있는 반도체 소자의제조방법
US20100098960A1 (en) * 2007-06-18 2010-04-22 Dominguez Juan E Magnetic insulator nanolaminate device for integrated silicon voltage regulators
CN101688308B (zh) * 2007-07-02 2012-10-10 荏原优莱特科技股份有限公司 金属层叠聚酰亚胺底座及其制造方法
KR100906308B1 (ko) 2007-10-24 2009-07-07 성균관대학교산학협력단 미세 배선이 형성된 연성 전도성 폴리이미드 기판 및 이의제조방법
WO2010010753A1 (fr) * 2008-07-22 2010-01-28 国立大学法人東北大学 Carte de circuit imprimé et procédé de fabrication associé
WO2011073157A1 (fr) * 2009-12-15 2011-06-23 Carl Zeiss Smt Gmbh Elément optique réfléchissant pour lithographie dans l'ultraviolet extrême
JP5781428B2 (ja) * 2011-12-20 2015-09-24 日東電工株式会社 導電性フィルムおよび導電性フィルムロール
CN102978570B (zh) * 2012-11-26 2014-10-08 蔡莳铨 金属蒸镀薄膜及其制作中间体和相关制作方法
US9614045B2 (en) * 2014-09-17 2017-04-04 Infineon Technologies Ag Method of processing a semiconductor device and chip package
CN104451955B (zh) * 2014-11-25 2017-02-22 中国科学院电子学研究所 一种具有分级结构的金属或金属氧化物及其制备方法
US10879177B2 (en) * 2015-06-19 2020-12-29 Applied Materials, Inc. PVD deposition and anneal of multi-layer metal-dielectric film
CN106413266B (zh) * 2015-07-29 2018-11-23 苏州卫鹏机电科技有限公司 一种聚酰亚胺无胶柔性印刷线路板的制备方法
DE102016215709A1 (de) * 2015-08-28 2017-03-02 Tsubakimoto Chain Co. Kettenkomponente und Kette
CN107371338B (zh) * 2016-05-13 2019-08-20 苏州卫鹏机电科技有限公司 一种超薄金属层的印刷线路板的制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4226932A (en) * 1979-07-05 1980-10-07 Gte Automatic Electric Laboratories Incorporated Titanium nitride as one layer of a multi-layered coating intended to be etched
DE3039821A1 (de) * 1980-10-22 1982-06-03 Robert Bosch Gmbh, 7000 Stuttgart Mehrschichtsystem fuer waermeschutzanwendung
US4337279A (en) * 1981-01-23 1982-06-29 Uop Inc. Method for increasing the peel strength of metal-clad polymers
US4382101A (en) * 1981-01-23 1983-05-03 Uop Inc. Method for increasing the peel strength of metal-clad polymers
US4597828A (en) * 1985-03-25 1986-07-01 Firan Corporation Method of manufacturing printed circuit boards
US4725504A (en) * 1987-02-24 1988-02-16 Polyonics Corporation Metal coated laminate products made from textured polyimide film
US4868071A (en) * 1987-02-24 1989-09-19 Polyonics Corporation Thermally stable dual metal coated laminate products made from textured polyimide film
US4806395A (en) * 1987-02-24 1989-02-21 Polyonics Corporation Textured polyimide film
JP2788779B2 (ja) * 1990-03-09 1998-08-20 古河電気工業株式会社 回路基板用素材板
US5137791A (en) * 1990-09-13 1992-08-11 Sheldahl Inc. Metal-film laminate resistant to delamination
US5413687A (en) * 1991-11-27 1995-05-09 Rogers Corporation Method for metallizing fluoropolymer substrates
US5372848A (en) * 1992-12-24 1994-12-13 International Business Machines Corporation Process for creating organic polymeric substrate with copper
US5589280A (en) * 1993-02-05 1996-12-31 Southwall Technologies Inc. Metal on plastic films with adhesion-promoting layer
US5675310A (en) * 1994-12-05 1997-10-07 General Electric Company Thin film resistors on organic surfaces
JPH0971859A (ja) * 1995-09-06 1997-03-18 Nissin Electric Co Ltd 貴金属膜被覆高分子基体及びその製造方法
US5874770A (en) * 1996-10-10 1999-02-23 General Electric Company Flexible interconnect film including resistor and capacitor layers

Also Published As

Publication number Publication date
CN1272072A (zh) 2000-11-01
ATE401766T1 (de) 2008-08-15
CN1198692C (zh) 2005-04-27
US6042929A (en) 2000-03-28
EP0989914A1 (fr) 2000-04-05
BR9904886A (pt) 2002-01-15
JP2002511809A (ja) 2002-04-16
DE69939087D1 (de) 2008-08-28
EP0989914A4 (fr) 2005-05-25
WO1999048620A1 (fr) 1999-09-30
KR20010013051A (ko) 2001-02-26
EP0989914B1 (fr) 2008-07-16
CA2306786A1 (fr) 1999-09-30
IL133147A0 (en) 2001-03-19
CA2306786C (fr) 2005-01-11

Similar Documents

Publication Publication Date Title
US6042929A (en) Multilayer metalized composite on polymer film product and process
KR100326342B1 (ko) 무접착성의가요성적층판및무접착성의가요성적층판의제조방법
US5322976A (en) Process for forming polyimide-metal laminates
US7422792B2 (en) Metallized polymide film
KR100859614B1 (ko) 복합 구리박 및 그 제조방법
US20070141380A1 (en) Support layer for thin copper foil
JPS63286580A (ja) 表面模様付きのポリイミドフィルムから作製された金属被覆積層製品
JPH08330728A (ja) フレキシブルプリント配線用基板
KR20060041609A (ko) 금속화 폴리이미드필름 및 그 제조방법
US4894124A (en) Thermally stable dual metal coated laminate products made from textured polyimide film
JP2000340911A (ja) プリント配線板用銅箔
JP5042729B2 (ja) ポリイミド樹脂層の表面改質方法及び金属張積層板の製造方法
US5066545A (en) Process for forming polyimide-metal laminates
JPH05259596A (ja) フレキシブルプリント配線用基板
WO2019188837A1 (fr) Feuille de cuivre traitée en surface, stratifié revêtu de cuivre et procédé de fabrication d'une carte à circuits imprimés
JP3921991B2 (ja) 銅積層基板
US8394509B2 (en) Surface-treated copper foil
JP4304459B2 (ja) 金属薄膜付きポリイミドフィルム
JP2006283023A (ja) 蒸着法による金属薄膜形成用のポリイミドフィルム
JP2006310359A (ja) フレキシブルプリント回路用基板
MXPA99010940A (en) Multilayer metalized composite on polymer film product and process
JP4032831B2 (ja) 放電処理ポリイミドフィルム、放電処理方法、金属薄膜付きポリイミドフィルムおよびその製造方法
JPH01295847A (ja) 表面模様付きのポリイミドフイルムから作製された熱的に安定な2層金属被覆積層体製品
JP2003334889A (ja) 金属層積層フィルム
JP2003318532A (ja) フレキシブルプリント配線用基板

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed