IT1267133B1 - Struttura per l'assorbimento di onde elettromagnetiche - Google Patents

Struttura per l'assorbimento di onde elettromagnetiche

Info

Publication number: IT1267133B1
Authority: IT; Italy
Prior art keywords: absorption; electromagnetic waves; waves; electromagnetic
Prior art date: 1988-11-17

Application number

IT06795589A

Other languages

English (en)

Italian (it)

Other versions

IT8967955A0 (it

IT8967955A1 (it

Inventor

Mehaute Alain Le

Frederic Heliodore

Original Assignee

Comp Generale Electricite

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.)

1988-11-17

Filing date

1989-11-07

Publication date

1997-01-24

1989-11-07 Application filed by Comp Generale Electricite filed Critical Comp Generale Electricite

1989-11-07 Publication of IT8967955A0 publication Critical patent/IT8967955A0/it

1991-05-07 Publication of IT8967955A1 publication Critical patent/IT8967955A1/it

1997-01-24 Application granted granted Critical

1997-01-24 Publication of IT1267133B1 publication Critical patent/IT1267133B1/it

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2325/00—Polymers of vinyl-aromatic compounds, e.g. polystyrene
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2327/00—Polyvinylhalogenides
- B32B2327/06—PVC, i.e. polyvinylchloride
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Ethene-propene or ethene-propene-diene copolymers

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Laminated Bodies (AREA)
Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Compositions Of Macromolecular Compounds (AREA)

IT06795589A 1988-11-17 1989-11-07 Struttura per l'assorbimento di onde elettromagnetiche IT1267133B1 (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8814940A FR2737347B1 (fr)	1988-11-17	1988-11-17	Structure pour l'absorption d'ondes electromagnetiques

Publications (3)

Publication Number	Publication Date
IT8967955A0 IT8967955A0 (it)	1989-11-07
IT8967955A1 IT8967955A1 (it)	1991-05-07
IT1267133B1 true IT1267133B1 (it)	1997-01-24

Family

ID=9371931

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT06795589A IT1267133B1 (it)	1988-11-17	1989-11-07	Struttura per l'assorbimento di onde elettromagnetiche

Country Status (8)

Country	Link
BE (1)	BE1010512A4 (fr)
CA (1)	CA2003074C (fr)
DE (1)	DE3936195C2 (fr)
FR (1)	FR2737347B1 (fr)
GB (1)	GB2310541B (fr)
IT (1)	IT1267133B1 (fr)
NL (1)	NL8902827A (fr)
NO (1)	NO306918B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2249862C1 (ru) *	2004-07-02	2005-04-10	Общество с ограниченной ответственностью "НПО"АЙРЭС Технолоджис"	Устройство для структурирования электромагнитного поля

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2996709A (en) *	1945-04-27	1961-08-15	Du Pont	Flexible electromagnetic radiationabsorptive article
US3349397A (en) *	1966-02-03	1967-10-24	North American Aviation Inc	Flexible radiation attenuator
US3721982A (en) *	1970-11-10	1973-03-20	Gruenzweig & Hartmann	Absorber for electromagnetic radiation
SE8007075L (sv) *	1979-10-31	1981-05-01	Illinois Tool Works	Skermning
US4353069A (en) *	1980-09-10	1982-10-05	Handel Peter H	Absorptive coating for the reduction of the reflective cross section of metallic surfaces and control capabilities therefor
DE3307066A1 (de) *	1983-03-01	1984-09-13	Dornier Gmbh, 7990 Friedrichshafen	Mehrschichtiger faserverbundwerkstoff
US4680236A (en) *	1986-02-18	1987-07-14	The Bf Goodrich Company	Electrodeless heterogeneous polypyrrole composite
GB2192756A (en) *	1986-07-07	1988-01-20	Hoybond Limited	Energy absorbing coatings and their use in camouflage

1988
- 1988-11-17 FR FR8814940A patent/FR2737347B1/fr not_active Expired - Fee Related
1989
- 1989-10-31 DE DE3936195A patent/DE3936195C2/de not_active Expired - Fee Related
- 1989-11-03 GB GB8924797A patent/GB2310541B/en not_active Expired - Fee Related
- 1989-11-07 IT IT06795589A patent/IT1267133B1/it active IP Right Grant
- 1989-11-08 NO NO894440A patent/NO306918B1/no not_active IP Right Cessation
- 1989-11-15 NL NL8902827A patent/NL8902827A/nl active Search and Examination
- 1989-11-16 CA CA002003074A patent/CA2003074C/fr not_active Expired - Fee Related
- 1989-11-16 BE BE8901211A patent/BE1010512A4/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
IT8967955A0 (it)	1989-11-07
NL8902827A (nl)	1997-08-01
NO894440L (no)	1996-08-13
NO306918B1 (no)	2000-01-10
FR2737347B1 (fr)	1997-12-19
GB8924797D0 (en)	1996-12-18
IT8967955A1 (it)	1991-05-07
GB2310541B (en)	1998-01-07
GB2310541A (en)	1997-08-27
FR2737347A1 (fr)	1997-01-31
CA2003074C (fr)	2001-01-09
CA2003074A1 (fr)	1996-10-11
DE3936195C2 (de)	1999-02-18
BE1010512A4 (fr)	1998-10-06
DE3936195A1 (de)	1997-03-06

Publication	Publication Date	Title
BR9305939A (pt)	1997-08-26	Estrutura de antenas diversas
DE68927447D1 (de)	1996-12-19	Frequenz-empfindlicher Herzschrittmacher
NO179818C (no)	1996-12-27	Ultrasonisk badekar
DK656689D0 (da)	1989-12-21	Triazolderivater
FR2561384B1 (fr)	1987-09-18	Transducteur d'onde de contrainte
DE59301534D1 (de)	1996-03-14	Ultraschall-Prüfkopf
GB2264589B (en)	1994-01-19	Structure absorbing electromagnetic waves
IT227994Y1 (it)	1998-02-05	Struttura di cinturino
IT1267133B1 (it)	1997-01-24	Struttura per l'assorbimento di onde elettromagnetiche
KR900015532U (ko)	1990-09-01	일부인
ITMI912654A1 (it)	1993-04-07	Combinazione di estrusore-calandra
IT8967958A0 (it)	1989-11-07	Struttura per l'assorbimento di onde elettromagnetiche
IT8848523A0 (it)	1988-11-04	Procedimento integrato per la fitodepurazione di acque reflue
IT8823106A0 (it)	1988-12-23	Procedimento per l'inertizzazione di rifiuti tossici
ITMI922181A0 (it)	1992-09-24	Procedimento per la preparazione di perfluoro-2-metil-4-metossipentano
KR900004740U (ko)	1990-03-07	일부인
IT1217451B (it)	1990-03-22	Sintesi di trifluorometilisossazoli
IT1267134B1 (it)	1997-01-24	Materiale polimero e struttura per l'assorbimento di onde elettromagnetiche
IT218971Z2 (it)	1992-11-12	Doga per la realizzazione di strutture di reti-letto
KR900015545U (ko)	1990-09-01	화일의 지철구
KR910013740U (ko)	1991-07-30	역기의 중량체
KR890020611U (ko)	1989-11-01	액자틀의 프레임의 구조
KR900012736U (ko)	1990-07-04	냉장고의 테이블보드 구조
LV10073A (lv)	1994-05-10	Skidinataju absolutizesanas panemiens
SE8804395D0 (sv)	1988-12-05	Radar

Legal Events

Date	Code	Title	Description
1997-01-24	0001	Granted
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19971031