DE68912991D1 - Gefüge mit verbesserter Transmission für ultrahochfrequente elektromagnetische Strahlung und Materialien, die deren Konstruktion ermöglichen. - Google Patents

Gefüge mit verbesserter Transmission für ultrahochfrequente elektromagnetische Strahlung und Materialien, die deren Konstruktion ermöglichen.

Info

Publication number
DE68912991D1
DE68912991D1 DE89115947T DE68912991T DE68912991D1 DE 68912991 D1 DE68912991 D1 DE 68912991D1 DE 89115947 T DE89115947 T DE 89115947T DE 68912991 T DE68912991 T DE 68912991T DE 68912991 D1 DE68912991 D1 DE 68912991D1
Authority
DE
Germany
Prior art keywords
microstructure
ultra
enable
construction
materials
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 - Fee Related
Application number
DE89115947T
Other languages
English (en)
Other versions
DE68912991T2 (de
Inventor
Jack D Boyd
Hermann Sitt
Hong-Son Ryang
Theodore Frank Biermann
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.)
Cytec Technology Corp
Original Assignee
Cytec Technology Corp
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 Cytec Technology Corp filed Critical Cytec Technology Corp
Application granted granted Critical
Publication of DE68912991D1 publication Critical patent/DE68912991D1/de
Publication of DE68912991T2 publication Critical patent/DE68912991T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • 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.]
    • Y10T428/24149—Honeycomb-like
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2938—Coating on discrete and individual rods, strands or filaments
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y10T428/2967—Synthetic resin or polymer
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31605—Next to free metal
DE1989612991 1988-08-29 1989-08-29 Gefüge mit verbesserter Transmission für ultrahochfrequente elektromagnetische Strahlung und Materialien, die deren Konstruktion ermöglichen. Expired - Lifetime DE68912991T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/238,021 US4956393A (en) 1988-08-29 1988-08-29 Structures exhibiting improved transmission of ultrahigh frequency electromagnetic radiation and structural materials which allow their construction

Publications (2)

Publication Number Publication Date
DE68912991D1 true DE68912991D1 (de) 1994-03-24
DE68912991T2 DE68912991T2 (de) 1994-06-01

Family

ID=22896160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989612991 Expired - Lifetime DE68912991T2 (de) 1988-08-29 1989-08-29 Gefüge mit verbesserter Transmission für ultrahochfrequente elektromagnetische Strahlung und Materialien, die deren Konstruktion ermöglichen.

Country Status (6)

Country Link
US (1) US4956393A (de)
EP (1) EP0357006B1 (de)
JP (1) JPH02177602A (de)
CA (1) CA1341099C (de)
DE (1) DE68912991T2 (de)
ES (1) ES2049785T3 (de)

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US5182155A (en) * 1991-04-15 1993-01-26 Itt Corporation Radome structure providing high ballistic protection with low signal loss
US5296280A (en) * 1991-11-25 1994-03-22 E. I. Du Pont De Nemours And Company Process for making a honeycomb core from a honeycomb half-cell structure and honeycomb core made thereby
DE69304086T2 (de) * 1992-01-07 1997-04-03 Hitachi Chemical Co Ltd Polyimide, ritzehärtbare Harzzusammensetzungen mit den Polyimide, Formkörper auf die Harzzusammensetzungen und Verfahren zur Herstellung von deren Polyimiden
CA2077125C (en) * 1992-01-13 2002-04-09 Louis B. Brydon Self-supporting convex cover for spacecraft
US5338594A (en) * 1992-02-07 1994-08-16 Hexcel Corporation Foam filled honeycomb and methods for their production
WO1993017860A1 (en) * 1992-03-13 1993-09-16 Rogers Corporation Cyanate ester microwave circuit material
US5405107A (en) * 1992-09-10 1995-04-11 Bruno; Joseph W. Radar transmitting structures
FR2711845B1 (fr) * 1993-10-28 1995-11-24 France Telecom Antenne plane et procédé de réalisation d'une telle antenne.
US5494981A (en) * 1995-03-03 1996-02-27 Minnesota Mining And Manufacturing Company Epoxy-cyanate ester compositions that form interpenetrating networks via a Bronsted acid
US5665787A (en) * 1995-06-07 1997-09-09 Mcdonnell Douglas Corporation Loaded syntactic foam-core material
US5837739A (en) * 1995-06-07 1998-11-17 Mcdonnell Douglas Corporation Loaded syntactic foam-core material
US5707723A (en) * 1996-02-16 1998-01-13 Mcdonnell Douglas Technologies, Inc. Multilayer radome structure and its fabrication
FR2752835B1 (fr) * 1996-09-05 1999-05-07 Ctmi Cotton Textiles Pour Mate Materiau composite ceramique a structure de type "sandwich"
US5912316A (en) * 1996-11-08 1999-06-15 Johnson Matthey, Inc. Flexible interpenetrating networks formed by epoxy-cyanate ester compositions via a polyamide
US6028565A (en) * 1996-11-19 2000-02-22 Norton Performance Plastics Corporation W-band and X-band radome wall
US6350513B1 (en) 1997-10-08 2002-02-26 Mcdonnell Douglas Helicopter Company Low density structures having radar absorbing characteristics
US6146484A (en) * 1998-05-21 2000-11-14 Northrop Grumman Corporation Continuous honeycomb lay-up process
US6406783B1 (en) 1998-07-15 2002-06-18 Mcdonnell Douglas Helicopter, Co. Bulk absorber and process for manufacturing same
US6132546A (en) * 1999-01-07 2000-10-17 Northrop Grumman Corporation Method for manufacturing honeycomb material
WO2000071604A1 (en) * 1999-05-21 2000-11-30 The Government Of The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration (Nasa) Hollow polyimide microspheres
CN1098879C (zh) * 2000-03-14 2003-01-15 复旦大学 聚醚酰亚胺改性双马来酰亚胺树脂
DE10117979A1 (de) * 2001-01-05 2002-08-14 Fraunhofer Ges Forschung Formwerkzeug und Verfahren zu dessen Herstellung
US6811418B2 (en) * 2002-05-16 2004-11-02 Homac Mfg. Company Electrical connector with anti-flashover configuration and associated methods
US7205043B1 (en) * 2004-08-09 2007-04-17 The United States Of America As Represented By The Secretary Of The Navy Pressure resistant anechoic coating for undersea platforms
US7901535B2 (en) * 2005-02-23 2011-03-08 Teh Yor Co., Ltd. Apparatus and method for making cellular shade material
CN100410325C (zh) * 2006-01-26 2008-08-13 广东生益科技股份有限公司 一种树脂组合物及其在粘结片和覆铜板中的应用
CN100482718C (zh) * 2006-01-26 2009-04-29 长春应化特种工程塑料有限公司 聚酰亚胺半互穿网络树脂及其制备方法
FR2946179B1 (fr) * 2009-05-29 2012-11-30 Saint Gobain Quartz Sas Ruban dielectrique preimpregne pour radome
EP2756548A1 (de) * 2011-09-12 2014-07-23 DSM IP Assets B.V. Verbundstoffradomwand
JP5900258B2 (ja) * 2012-09-11 2016-04-06 株式会社デンソー エポキシ樹脂の製造方法及び硬化性エポキシ樹脂組成物
CN103074027A (zh) * 2013-01-11 2013-05-01 西北工业大学 酚酞氰酸酯/苯并恶嗪树脂耐250℃高温胶粘剂及制备方法
CN108485592A (zh) * 2018-03-23 2018-09-04 黑龙江省科学院石油化学研究院 一种长期耐300℃纸蜂窝用芯条胶粘剂及其制备方法
JP7466457B2 (ja) 2018-04-06 2024-04-12 スリーエム イノベイティブ プロパティズ カンパニー 勾配誘電率フィルム
FR3082667B1 (fr) * 2018-06-14 2021-06-11 Dassault Aviat Radome comprenant une structure stratifie comprenant des couches composites dont le renfort fibreux est constitue de fibres de polyolefine
CN111786102A (zh) 2019-04-03 2020-10-16 莱尔德电子材料(深圳)有限公司 低介电、低损耗天线罩
CN112250989A (zh) * 2020-11-05 2021-01-22 成都佳驰电子科技有限公司 一种吸波浆料及蜂窝吸波材料的制备方法

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US3002190A (en) * 1955-04-15 1961-09-26 Zenith Plastics Company Multiple sandwich broad band radome
DE1248667B (de) * 1963-02-16 1967-08-31 Farbenfabriken Bayer Aktiengesellschaft Leverkusen
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US4110364A (en) * 1974-03-19 1978-08-29 Mitsubishi Gas Chemical Company, Inc. Curable resin compositions of cyanate esters
JPS5610529A (en) * 1979-07-09 1981-02-03 Mitsubishi Gas Chem Co Inc Curable resin composition
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US4364884A (en) * 1980-05-15 1982-12-21 Rogers Corporation Method of manufacturing a radome
US4353769A (en) * 1980-10-03 1982-10-12 Lee Henry J Radar transparent rigid polyurethane laminate systems for radomes
US4615859A (en) * 1981-05-13 1986-10-07 Rogers Corporation Method of manufacture of improved radome structure
US4436569A (en) * 1981-09-21 1984-03-13 The United States Of America As Represented By The Secretary Of The Navy Method for forming a protective cover for aircraft having conical radomes
US4645805A (en) * 1984-03-14 1987-02-24 Mitsubishi Gas Chemical Company, Inc. Adhesive composition and adhesive film or sheet on which the composition is coated
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US4774316A (en) * 1986-08-15 1988-09-27 The Dow Chemical Company Copolymer of vinylbenzyl ether of polyhydric halogenated phenolic compound and aromatic polycyanate ester compound
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US4876153A (en) * 1987-04-09 1989-10-24 Basf Corporation Process for the preparation of cyanate resin-based prepregs and films which maintain their tack
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Also Published As

Publication number Publication date
DE68912991T2 (de) 1994-06-01
JPH02177602A (ja) 1990-07-10
ES2049785T3 (es) 1994-05-01
EP0357006B1 (de) 1994-02-09
US4956393A (en) 1990-09-11
CA1341099C (en) 2000-09-19
EP0357006A1 (de) 1990-03-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted
8339 Ceased/non-payment of the annual fee