CA1310573C - Protective electromagnetically transparent window - Google Patents
Protective electromagnetically transparent windowInfo
- Publication number
- CA1310573C CA1310573C CA000573921A CA573921A CA1310573C CA 1310573 C CA1310573 C CA 1310573C CA 000573921 A CA000573921 A CA 000573921A CA 573921 A CA573921 A CA 573921A CA 1310573 C CA1310573 C CA 1310573C
- Authority
- CA
- Canada
- Prior art keywords
- ptfe
- eptfe
- copolymer
- layers
- thermoplastic polymer
- 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
Links
- 230000001681 protective effect Effects 0.000 title description 2
- 239000012528 membrane Substances 0.000 claims abstract description 16
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract 5
- 239000004753 textile Substances 0.000 claims abstract 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 28
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 28
- -1 polytetrafluoroethylene Polymers 0.000 claims description 12
- 229920001577 copolymer Polymers 0.000 claims description 10
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 7
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 3
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims 2
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 claims 2
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 claims 2
- 229920001774 Perfluoroether Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 abstract 3
- 210000004379 membrane Anatomy 0.000 description 10
- 229920000642 polymer Polymers 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- 210000001217 buttock Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- SFNPDDSJBGRXLW-UHFFFAOYSA-N (3-methylsulfanylbutan-2-ylideneamino) n-methylcarbamate Chemical compound CNC(=O)ON=C(C)C(C)SC SFNPDDSJBGRXLW-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 241001634830 Geometridae Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
-
- 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
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
Landscapes
- Laminated Bodies (AREA)
- Details Of Aerials (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8374687A | 1987-08-06 | 1987-08-06 | |
| US083,746 | 1993-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1310573C true CA1310573C (en) | 1992-11-24 |
Family
ID=22180425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000573921A Expired - Fee Related CA1310573C (en) | 1987-08-06 | 1988-08-05 | Protective electromagnetically transparent window |
Country Status (16)
| Country | Link |
|---|---|
| EP (1) | EP0302596B1 (is) |
| JP (2) | JP2642958B2 (is) |
| KR (1) | KR890004466A (is) |
| CN (1) | CN1015414B (is) |
| AT (1) | ATE86411T1 (is) |
| AU (1) | AU603900B2 (is) |
| CA (1) | CA1310573C (is) |
| DE (1) | DE3878777T2 (is) |
| DK (1) | DK438988A (is) |
| ES (1) | ES2038293T3 (is) |
| FI (1) | FI90928C (is) |
| GB (1) | GB2207814A (is) |
| IE (1) | IE62504B1 (is) |
| IS (1) | IS1500B (is) |
| NO (1) | NO173962C (is) |
| PT (1) | PT88153A (is) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2250804B (en) * | 1990-11-07 | 1994-06-01 | Colebrand Ltd | Protective device for a sensing head |
| US5217797A (en) * | 1992-02-19 | 1993-06-08 | W. L. Gore & Associates, Inc. | Chemically resistant diaphragm |
| WO1994001899A1 (en) * | 1992-07-02 | 1994-01-20 | W. L. Gore & Associates, Inc. | Sealing frame and protective membrane for a radar dish or horn |
| US5904978A (en) * | 1995-12-15 | 1999-05-18 | W. L. Gore & Associates, Inc. | Electrically conductive polytetrafluoroethylene article |
| EP0786823A1 (en) * | 1996-01-22 | 1997-07-30 | W.L. GORE & ASSOCIATES, INC. | Non-woven electro-magnetically transparent material |
| FR2753007B1 (fr) * | 1996-09-04 | 1998-11-27 | Bourquin Patrick | Antenne de reception satellite |
| JP2000500953A (ja) * | 1996-09-13 | 2000-01-25 | ダブリュ.エル.ゴア アンド アソシエイツ,インコーポレイティド | サテライトディッシュカバー |
| US5947918A (en) * | 1996-11-18 | 1999-09-07 | Gore Enterprise Holdings, Inc. | Impact energy absorbing composite materials |
| US5945217A (en) * | 1997-10-14 | 1999-08-31 | Gore Enterprise Holdings, Inc. | Thermally conductive polytrafluoroethylene article |
| US6770577B2 (en) * | 2001-10-29 | 2004-08-03 | Gore Enterprise Holdings, Inc. | Architectural fabric |
| NL1026919C2 (nl) * | 2004-08-27 | 2006-02-28 | Nedap Agri B V | Ultra-wide-band systeem voor positiebepaling van dieren. |
| AU2009212751B2 (en) | 2008-02-05 | 2013-02-07 | Saint-Gobain Performance Plastics Corporation | Multi-layer article |
| CN101364669B (zh) * | 2008-09-25 | 2012-08-29 | 东华大学 | 超高分子量聚乙烯增强的雷达罩、其制备方法及应用 |
| RU2483930C2 (ru) * | 2008-11-12 | 2013-06-10 | Сэнт-Гобэн Перформанс Пластикс Корпорейшн | Барьерная структура и способ ее создания |
| US8859102B2 (en) | 2008-11-12 | 2014-10-14 | Saint-Gobain Performance Plastics Corporation | Barrier structure and method for making |
| TWI397620B (zh) * | 2010-06-30 | 2013-06-01 | Method for Making Tensile Teflon (ePTFE) Line | |
| CN106715785A (zh) * | 2014-09-16 | 2017-05-24 | 帝斯曼知识产权资产管理有限公司 | 包含聚合物片材的空间框架天线罩 |
| CN109462003A (zh) * | 2018-10-11 | 2019-03-12 | 江苏三和欣创通信科技有限公司 | 一种基于全频段的测量天线系统 |
| CN110808465B (zh) * | 2019-09-27 | 2021-02-02 | 浙江瑞堂塑料科技股份有限公司 | 一种高透波率雷达罩及其制备工艺 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE392582B (sv) * | 1970-05-21 | 1977-04-04 | Gore & Ass | Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande |
| US4025679A (en) * | 1976-08-06 | 1977-05-24 | W. L. Gore & Associates, Inc. | Fibrillated polytetrafluoroethylene woven filter fabric |
| JPS56110304A (en) * | 1980-02-05 | 1981-09-01 | Mitsubishi Electric Corp | Film material for radome |
| JPS5925808U (ja) * | 1982-08-04 | 1984-02-17 | 三菱樹脂株式会社 | パラボラアンテナ用カバ− |
| JPS6082813U (ja) * | 1983-11-14 | 1985-06-08 | 日東電工株式会社 | アンテナ反射鏡のカバ−構造 |
| DE3410503A1 (de) * | 1984-03-22 | 1986-01-02 | Dornier System Gmbh, 7990 Friedrichshafen | Verfahren zur herstellung von radomen |
| DE3410501C2 (de) * | 1984-03-22 | 1990-09-13 | Dornier System Gmbh, 7990 Friedrichshafen | Radomwerkstoff |
| US4615933A (en) * | 1984-04-06 | 1986-10-07 | Rogers Corporation | Radome structure and method of manufacture thereof |
| DE3421196A1 (de) * | 1984-06-07 | 1985-12-19 | Dornier System Gmbh, 7990 Friedrichshafen | Radomwerkstoff |
| JPS6286714U (is) * | 1985-11-20 | 1987-06-03 |
-
1988
- 1988-06-08 AU AU17508/88A patent/AU603900B2/en not_active Ceased
- 1988-07-04 ES ES198888306093T patent/ES2038293T3/es not_active Expired - Lifetime
- 1988-07-04 AT AT88306093T patent/ATE86411T1/de not_active IP Right Cessation
- 1988-07-04 GB GB08815837A patent/GB2207814A/en not_active Withdrawn
- 1988-07-04 EP EP88306093A patent/EP0302596B1/en not_active Expired - Lifetime
- 1988-07-04 DE DE8888306093T patent/DE3878777T2/de not_active Expired - Fee Related
- 1988-07-29 PT PT88153A patent/PT88153A/pt not_active Application Discontinuation
- 1988-07-29 FI FI883578A patent/FI90928C/fi not_active IP Right Cessation
- 1988-08-01 JP JP63190730A patent/JP2642958B2/ja not_active Expired - Fee Related
- 1988-08-02 NO NO883421A patent/NO173962C/no unknown
- 1988-08-03 IE IE236788A patent/IE62504B1/en not_active IP Right Cessation
- 1988-08-04 IS IS3379A patent/IS1500B/is unknown
- 1988-08-05 CA CA000573921A patent/CA1310573C/en not_active Expired - Fee Related
- 1988-08-05 DK DK438988A patent/DK438988A/da not_active Application Discontinuation
- 1988-08-06 CN CN88104934A patent/CN1015414B/zh not_active Expired
- 1988-08-06 KR KR1019880010068A patent/KR890004466A/ko not_active Ceased
-
1995
- 1995-09-26 JP JP7247849A patent/JP2662381B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2038293T3 (es) | 1993-07-16 |
| DE3878777T2 (de) | 1993-06-09 |
| IE62504B1 (en) | 1995-02-08 |
| NO173962C (no) | 1994-02-23 |
| NO883421L (no) | 1989-02-07 |
| IS1500B (is) | 1992-07-30 |
| JPH08181522A (ja) | 1996-07-12 |
| KR890004466A (ko) | 1989-04-22 |
| DE3878777D1 (de) | 1993-04-08 |
| FI90928C (fi) | 1994-04-11 |
| CN1015414B (zh) | 1992-02-05 |
| AU1750888A (en) | 1989-02-09 |
| DK438988D0 (da) | 1988-08-05 |
| PT88153A (pt) | 1989-06-30 |
| JP2642958B2 (ja) | 1997-08-20 |
| DK438988A (da) | 1989-02-07 |
| ATE86411T1 (de) | 1993-03-15 |
| FI883578A0 (fi) | 1988-07-29 |
| GB2207814A (en) | 1989-02-08 |
| GB8815837D0 (en) | 1988-08-10 |
| NO883421D0 (no) | 1988-08-02 |
| EP0302596B1 (en) | 1993-03-03 |
| EP0302596A1 (en) | 1989-02-08 |
| JP2662381B2 (ja) | 1997-10-08 |
| NO173962B (no) | 1993-11-15 |
| CN1031050A (zh) | 1989-02-15 |
| IS3379A7 (is) | 1989-02-07 |
| IE882367L (en) | 1989-02-06 |
| FI90928B (fi) | 1993-12-31 |
| JPH01114101A (ja) | 1989-05-02 |
| FI883578L (fi) | 1989-02-07 |
| AU603900B2 (en) | 1990-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1310573C (en) | Protective electromagnetically transparent window | |
| US4946736A (en) | Protective electromagnetically transparent window | |
| US4442162A (en) | Chemical and biological resistant material and method of fabricating same | |
| US5401901A (en) | Weather-resistant electromagnetic interference shielding for electronic equipment enclosures | |
| US7196025B2 (en) | Method and apparatus for forming fabrics and fabrics made by the method | |
| US3899622A (en) | Laminated fabric | |
| US4013812A (en) | Laminated fabric | |
| US20150191959A1 (en) | Sun protection device | |
| CA2077998C (en) | Composite materials for architectural structural end use | |
| EP3433100B1 (en) | Architectural membrane | |
| CA1113910A (en) | Lens closure for light fixture and method for attachment | |
| US4594285A (en) | Flexible membrane material | |
| US3664069A (en) | Pneumatic shell structures constructed from synthetic resin films | |
| JP2005051657A (ja) | ルーネベルグレンズ及びそれを用いたアンテナ装置 | |
| JP2004025586A (ja) | 熱線遮断性フッ素樹脂複合シート及びそれを用いてなる屋根材 | |
| AU2004228333B2 (en) | A weather proof dome to envelop outdoor objects, use of such a dome and a method for protecting outdoor objects | |
| JPH09284030A (ja) | メタルスペースフレームレードーム用膜材 | |
| JPH10163729A (ja) | メタルスペースフレームレードーム用膜材 | |
| JP3702323B2 (ja) | 水蒸発防止用シート | |
| US11701857B2 (en) | Flexible transparent material with reinforcement threads | |
| WO1994001899A1 (en) | Sealing frame and protective membrane for a radar dish or horn | |
| JP3682320B2 (ja) | 除湿装置 | |
| JPH0417731Y2 (is) | ||
| CA1163829A (en) | Apparatus for continuous and direct measurement of the sea surface temperature | |
| Bansal et al. | Glazing materials for solar collectors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |