IT8967955A1 - Struttura per l'assorbimento di onde elettromagnetiche - Google Patents

Struttura per l'assorbimento di onde elettromagnetiche

Info

Publication number
IT8967955A1
IT8967955A1 IT1989A67955A IT6795589A IT8967955A1 IT 8967955 A1 IT8967955 A1 IT 8967955A1 IT 1989A67955 A IT1989A67955 A IT 1989A67955A IT 6795589 A IT6795589 A IT 6795589A IT 8967955 A1 IT8967955 A1 IT 8967955A1
Authority
IT
Italy
Prior art keywords
absorption
electromagnetic waves
waves
electromagnetic
Prior art date
Application number
IT1989A67955A
Other languages
English (en)
Other versions
IT8967955A0 (it
IT1267133B1 (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.)
Filing date
Publication date
Application filed by Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of IT8967955A0 publication Critical patent/IT8967955A0/it
Publication of IT8967955A1 publication Critical patent/IT8967955A1/it
Application granted granted Critical
Publication of IT1267133B1 publication Critical patent/IT1267133B1/it

Links

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—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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 true IT8967955A1 (it) 1991-05-07
IT1267133B1 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 (it)
CA (1) CA2003074C (it)
DE (1) DE3936195C2 (it)
FR (1) FR2737347B1 (it)
GB (1) GB2310541B (it)
IT (1) IT1267133B1 (it)
NL (1) NL8902827A (it)
NO (1) NO306918B1 (it)

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

Also Published As

Publication number Publication date
IT8967955A0 (it) 1989-11-07
CA2003074A1 (fr) 1996-10-11
NO894440L (no) 1996-08-13
DE3936195A1 (de) 1997-03-06
GB2310541A (en) 1997-08-27
DE3936195C2 (de) 1999-02-18
NL8902827A (nl) 1997-08-01
FR2737347A1 (fr) 1997-01-31
CA2003074C (fr) 2001-01-09
BE1010512A4 (fr) 1998-10-06
GB8924797D0 (en) 1996-12-18
NO306918B1 (no) 2000-01-10
IT1267133B1 (it) 1997-01-24
GB2310541B (en) 1998-01-07
FR2737347B1 (fr) 1997-12-19

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971031