JPWO2019193571A5 - - Google Patents
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- JPWO2019193571A5 JPWO2019193571A5 JP2020554410A JP2020554410A JPWO2019193571A5 JP WO2019193571 A5 JPWO2019193571 A5 JP WO2019193571A5 JP 2020554410 A JP2020554410 A JP 2020554410A JP 2020554410 A JP2020554410 A JP 2020554410A JP WO2019193571 A5 JPWO2019193571 A5 JP WO2019193571A5
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- 239000011159 matrix material Substances 0.000 claims description 24
- 210000003195 Fascia Anatomy 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Description
図中の要素の説明は、別段の指示がない限り、他の図中の対応する要素に等しく適用されるものと理解されたい。上述の実施形態は、本発明の様々な態様の説明を容易にするために詳細に記載されたものであるため、本発明は、上述の特定の実施例及び実施形態に限定されるものと見なされるべきではない。むしろ、本発明は、添付の特許請求の範囲及びそれらの同等物によって定義される本発明の範囲内に含まれる様々な変形形態、同等のプロセス、及び代替的デバイスを含めた、本発明の全ての態様を包含するものと理解されるべきである。以下、例示的実施形態を示す。
［項目１］
厚さによって分離された第１の主表面及び反対側にある第２の主表面を有する勾配誘電率フィルムであって、
第１の比誘電率ε
ｒ１
を有する第１の構成要素の第１の連続マトリックスと、
前記連続マトリックス内に配置された第２の比誘電率ε
ｒ２
を有する第２の構成要素と、
を備え、
ε
ｒ１
は、波長範囲内の少なくとも１つの波長についてε
ｒ２
より大きく、前記波長範囲は、２０ＧＨｚ～３００ＧＨｚであり、
前記第１の主表面に最も近い前記勾配誘電率フィルムの前記厚さの半分を含む第１の半部分の比誘電率は、前記波長範囲内の前記少なくとも１つの波長について、前記第２の主表面に最も近い前記厚さの半分を含む第２の半部分の比誘電率よりも少なくとも１０％だけ低く、
前記勾配誘電率フィルムは、５０％より大きなヘイズ又は５０％未満の可視光の透過率を有し、
前記第１の主表面及び第２の主表面の両方は、主に前記第１の構成要素である、
勾配誘電率フィルム。
［項目２］
前記第２の構成要素は、第３の比誘電率ε
ｒ３
を有する第３の構成要素内に配置されており、前記波長範囲内の前記少なくとも１つの波長について、ε
ｒ２
≦ε
ｒ３
である、項目１に記載の勾配誘電率フィルム。
［項目３］
前記第３の構成要素は、ガラスであり、前記第２の構成要素は、空気である、項目２に記載の勾配誘電率フィルム。
［項目４］
前記ガラスは、広帯域吸収体でコーティングされている、項目３に記載の勾配誘電率フィルム。
［項目５］
前記第３の構成要素は、ポリマーであり、前記第２の構成要素は、気体である、項目２に記載の勾配誘電率フィルム。
［項目６］
前記ポリマーは、広帯域吸収体でコーティングされている、項目５に記載の勾配誘電率フィルム。
［項目７］
前記第３の構成要素は、セラミックであり、前記第２の構成要素は、気体である、項目２に記載の勾配誘電率フィルム。
［項目８］
前記セラミックは、多孔質である、項目７に記載の勾配誘電率フィルム。
［項目９］
前記セラミックは、広帯域吸収体でコーティングされている、項目５に記載の勾配誘電率フィルム。
［項目１０］
前記第１の構成要素は、ポリマー材料を含む、項目１に記載の勾配誘電率フィルム。
［項目１１］
前記連続マトリックスは、不織布材料である、項目１に記載の勾配誘電率フィルム。
［項目１２］
前記第２の構成要素は、気体である、項目１に記載の勾配誘電率フィルム。
［項目１３］
前記第２の構成要素は、空気である、項目１に記載の勾配誘電率フィルム。
［項目１４］
第４の比誘電率ε
ｒ４
を有する第４の構成要素の第２の連続マトリックスを更に備え、前記第２の連続マトリックスは、前記第１の連続マトリックス上に配置されている、項目１に記載の勾配誘電率フィルム。
［項目１５］
前記第１の構成要素及び前記第４の構成要素は、同じ材料である、項目１４に記載の勾配誘電率フィルム。
［項目１６］
前記第２の連続マトリックスは、前記第１の連続マトリックスとは少なくとも１０％だけ異なる、前記第２の連続マトリックス内の前記第２の構成要素の体積百分率を有する、項目１４に記載の勾配誘電率フィルム。
［項目１７］
第５の比誘電率ε
ｒ５
を有する第５の構成要素の第３の連続マトリックスを更に備え、前記第３の連続マトリックスは、前記第１の連続マトリックス又は前記第２の連続マトリックス上に配置されており、前記第３の連続マトリックスは、前記第１の連続マトリックス又は前記第２の連続マトリックスのいずれかと少なくとも１０％だけ異なる、前記第３の連続マトリックス内の前記第２の構成要素の体積百分率を有する、項目１６に記載の勾配誘電率フィルム。
［項目１８］
前記第５の構成要素、前記第４の構成要素、及び前記第１の構成要素は、同じ材料である、項目１７に記載の勾配誘電率フィルム。
［項目１９］
前記勾配誘電率フィルムは、単一層である、項目１に記載の勾配誘電率フィルム。
［項目２０］
基材上に配置されており、前記基材は、前記第２の構成要素を含まない固体層である、項目１に記載の勾配誘電率フィルム。
［項目２１］
項目１に記載の勾配誘電率フィルムと、接着剤層と、を備える勾配誘電率テープ。
［項目２２］
前記勾配誘電率フィルムの反対側の前記接着剤層上に配置されたバッキング層を更に備える、項目２１に記載の勾配誘電率テープ。
［項目２３］
車両バンパーフェイシアに取り付けられた、項目２１に記載の勾配誘電率テープを備えるアセンブリ。
［項目２４］
前記勾配誘電率テープの前記車両バンパーフェイシアへの取り付け位置において、前記車両バンパーフェイシアの比誘電率は、前記第１の比誘電率から１０％以内である、項目２３に記載のアセンブリ。
［項目２５］
前記車両バンパーフェイシアの前記比誘電率は、前記第１の比誘電率から５％以内である、項目２４に記載のアセンブリ。
［項目２６］
自動車用レドームに取り付けられた、項目２１に記載の勾配誘電率テープを備えるアセンブリ。
［項目２７］
前記勾配誘電率テープと前記自動車用レドームとの取り付け位置において、前記自動車用レドームの比誘電率は、前記第１の比誘電率から１０％以内である、項目２６に記載のアセンブリ。
［項目２８］
前記自動車用レドームの前記比誘電率は、前記第１の比誘電率から５％以内である、項目２７に記載のアセンブリ。
［項目２９］
前記第２の構成要素の体積分率は、前記勾配誘電率フィルムの１つ以上の非厚さ方向にわたって変化する、項目１に記載の勾配誘電率フィルム。
［項目３０］
前記１つ以上の非厚さ方向の前記変化は、単調変化である、項目２９に記載の勾配誘電率フィルム。
［項目３１］
前記勾配誘電率フィルムは、非平面である、項目１に記載の勾配誘電率フィルム。
［項目３２］
前記第１の構成要素の前記第１の連続マトリックスは、繊維を含む、項目１に記載の勾配誘電率フィルム。
［項目３３］
項目１に記載の勾配誘電率フィルムは、穿孔を含む、項目１に記載の勾配誘電率フィルム。
［項目３４］
前記穿孔は、円形である、項目３３に記載の勾配誘電率フィルム。
［項目３５］
前記穿孔は、異なるサイズである、項目３３に記載の勾配誘電率フィルム。
［項目３６］
前記穿孔は、１つ以上の非厚さ方向にわたってサイズ、形状、又は密度が変化する、項目３３に記載の勾配誘電率フィルム。
［項目３７］
前記波長範囲は、２０ＧＨｚ～１２０ＧＨｚである、項目１に記載の勾配誘電率フィルム。
［項目３８］
前記波長範囲は、２０ＧＨｚ～１００ＧＨｚである、項目１に記載の勾配誘電率フィルム。
［項目３９］
前記波長範囲は、２０ＧＨｚ～８１ＧＨｚである、項目１に記載の勾配誘電率フィルム。
［項目４０］
前記波長範囲は、２０ＧＨｚ～３０ＧＨｚである、項目１に記載の勾配誘電率フィルム。
It should be understood that the description of an element in a figure applies equally to the corresponding elements in other figures, unless otherwise indicated. The invention is not considered to be limited to the particular embodiments and embodiments described above, as the embodiments described above have been described in detail to facilitate the description of various aspects of the invention. Should not be. Rather, the invention includes all of the invention, including various variants, equivalent processes, and alternative devices contained within the scope of the invention as defined by the appended claims and their equivalents. It should be understood to include aspects of. Hereinafter, exemplary embodiments will be shown.
[Item 1]
A gradient dielectric film having a first main surface separated by thickness and a second main surface on the opposite side.
A first continuous matrix of first components with a first relative permittivity ε r1 and
A second component having a second relative permittivity ε r2 arranged in the continuous matrix,
Equipped with
ε r1 is greater than ε r2 for at least one wavelength within the wavelength range, said wavelength range being 20 GHz to 300 GHz.
The relative permittivity of the first half, including half the thickness of the gradient permittivity film closest to the first main surface, is the second major for at least one wavelength within the wavelength range. At least 10% lower than the relative permittivity of the second half, including half of the thickness closest to the surface,
The gradient dielectric film has a haze greater than 50% or a visible light transmittance of less than 50%.
Both the first main surface and the second main surface are primarily the first components.
Gradient permittivity film.
[Item 2]
The second component is located within a third component having a third relative permittivity ε r3 , ε r2 ≤ ε r3 for at least one wavelength within the wavelength range. The gradient dielectric constant film according to item 1.
[Item 3]
The gradient dielectric constant film according to item 2, wherein the third component is glass and the second component is air.
[Item 4]
The gradient dielectric constant film according to item 3, wherein the glass is coated with a broadband absorber.
[Item 5]
The gradient dielectric constant film according to item 2, wherein the third component is a polymer and the second component is a gas.
[Item 6]
Item 5. The gradient dielectric constant film according to item 5, wherein the polymer is coated with a broadband absorber.
[Item 7]
The gradient dielectric constant film according to item 2, wherein the third component is a ceramic and the second component is a gas.
[Item 8]
Item 7. The gradient dielectric constant film according to item 7, wherein the ceramic is porous.
[Item 9]
Item 5. The gradient dielectric constant film according to item 5, wherein the ceramic is coated with a broadband absorber.
[Item 10]
The gradient dielectric constant film according to item 1, wherein the first component comprises a polymer material.
[Item 11]
The gradient dielectric constant film according to item 1, wherein the continuous matrix is a nonwoven fabric material.
[Item 12]
The gradient dielectric constant film according to item 1, wherein the second component is a gas.
[Item 13]
The gradient dielectric constant film according to item 1, wherein the second component is air.
[Item 14]
The second continuous matrix of the fourth component having a fourth relative permittivity ε r4 is further provided, wherein the second continuous matrix is arranged on the first continuous matrix, according to item 1. Gradient permittivity film.
[Item 15]
The gradient dielectric constant film according to item 14, wherein the first component and the fourth component are made of the same material.
[Item 16]
The gradient dielectric constant of item 14, wherein the second continuous matrix has a volume percentage of the second component in the second continuous matrix that differs from the first continuous matrix by at least 10%. the film.
[Item 17]
Further comprising a third continuous matrix of fifth components having a fifth relative dielectric constant ε r5 , the third continuous matrix is arranged on the first continuous matrix or the second continuous matrix. The third continuous matrix differs from either the first continuous matrix or the second continuous matrix by at least 10% by at least 10% by volume of the second component in the third continuous matrix. The gradient dielectric constant film according to item 16.
[Item 18]
The gradient dielectric constant film according to item 17, wherein the fifth component, the fourth component, and the first component are made of the same material.
[Item 19]
The gradient dielectric constant film according to item 1, wherein the gradient dielectric constant film is a single layer.
[Item 20]
The gradient dielectric constant film according to item 1, which is arranged on a substrate, wherein the substrate is a solid layer that does not contain the second component.
[Item 21]
A gradient dielectric constant tape comprising the gradient dielectric constant film according to item 1 and an adhesive layer.
[Item 22]
The gradient dielectric constant tape according to item 21, further comprising a backing layer disposed on the adhesive layer on the opposite side of the gradient dielectric constant film.
[Item 23]
An assembly with the gradient dielectric constant tape of item 21, attached to the vehicle bumper fascia.
[Item 24]
23. The assembly of item 23, wherein the relative permittivity of the vehicle bumper fascia is within 10% of the first relative permittivity at the attachment position of the gradient permittivity tape to the vehicle bumper fascia.
[Item 25]
24. The assembly of item 24, wherein the relative permittivity of the vehicle bumper fascia is within 5% of the first relative permittivity.
[Item 26]
An assembly comprising the gradient dielectric constant tape according to item 21, attached to an automotive radome.
[Item 27]
26. The assembly of item 26, wherein the relative permittivity of the automotive radome is within 10% of the first relative permittivity at the attachment position of the gradient permittivity tape to the automotive radome.
[Item 28]
27. The assembly of item 27, wherein the relative permittivity of the automotive radome is within 5% of the first relative permittivity.
[Item 29]
The gradient dielectric constant film according to item 1, wherein the volume fraction of the second component varies over one or more non-thickness directions of the gradient dielectric constant film.
[Item 30]
The gradient dielectric constant film according to item 29, wherein the change in one or more non-thickness directions is a monotonous change.
[Item 31]
The gradient dielectric constant film according to item 1, wherein the gradient dielectric constant film is non-planar.
[Item 32]
The gradient dielectric constant film of item 1, wherein the first continuous matrix of the first component comprises fibers.
[Item 33]
The gradient dielectric constant film according to item 1 is the gradient dielectric constant film according to item 1, which includes perforations.
[Item 34]
The gradient dielectric constant film according to item 33, wherein the perforations are circular.
[Item 35]
33. The gradient dielectric constant film of item 33, wherein the perforations are of different sizes.
[Item 36]
33. The gradient dielectric constant film of item 33, wherein the perforations vary in size, shape, or density over one or more non-thickness directions.
[Item 37]
The gradient dielectric constant film according to item 1, wherein the wavelength range is 20 GHz to 120 GHz.
[Item 38]
The gradient dielectric constant film according to item 1, wherein the wavelength range is 20 GHz to 100 GHz.
[Item 39]
The gradient dielectric constant film according to item 1, wherein the wavelength range is 20 GHz to 81 GHz.
[Item 40]
The gradient dielectric constant film according to item 1, wherein the wavelength range is 20 GHz to 30 GHz.
Claims (15)
第１の比誘電率εｒ１を有する第１の構成要素の第１の連続マトリックスと、
前記連続マトリックス内に配置された第２の比誘電率εｒ２を有する第２の構成要素と、
を備え、
εｒ１は、波長範囲内の少なくとも１つの波長についてεｒ２より大きく、前記波長範囲は、２０ＧＨｚ～３００ＧＨｚであり、
前記第１の主表面に最も近い前記勾配誘電率フィルムの前記厚さの半分を含む第１の半部分の比誘電率は、前記波長範囲内の前記少なくとも１つの波長について、前記第２の主表面に最も近い前記厚さの半分を含む第２の半部分の比誘電率よりも少なくとも１０％だけ低く、
前記勾配誘電率フィルムは、５０％より大きなヘイズ又は５０％未満の可視光の透過率を有し、
前記第１の主表面及び第２の主表面の両方は、主に前記第１の構成要素である、
勾配誘電率フィルム。 A gradient dielectric film having a first main surface separated by thickness and a second main surface on the opposite side.
A first continuous matrix of first components with a first relative permittivity ε r1 and
A second component having a second relative permittivity ε r2 arranged in the continuous matrix,
Equipped with
ε r1 is greater than ε r2 for at least one wavelength within the wavelength range, said wavelength range being 20 GHz to 300 GHz.
The relative permittivity of the first half, including half the thickness of the gradient permittivity film closest to the first main surface, is the second major for at least one wavelength within the wavelength range. At least 10% lower than the relative permittivity of the second half, including half of the thickness closest to the surface,
The gradient dielectric film has a haze greater than 50% or a visible light transmittance of less than 50%.
Both the first main surface and the second main surface are primarily the first components.
Gradient permittivity film.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862654151P | 2018-04-06 | 2018-04-06 | |
| US62/654,151 | 2018-04-06 | ||
| PCT/IB2019/052829 WO2019193571A1 (en) | 2018-04-06 | 2019-04-05 | Gradient permittivity film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021521578A JP2021521578A (en) | 2021-08-26 |
| JPWO2019193571A5 true JPWO2019193571A5 (en) | 2022-04-12 |
Family
ID=68101282
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020554410A Pending JP2021521578A (en) | 2018-04-06 | 2019-04-05 | Gradient permittivity film |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20210028538A1 (en) |
| EP (1) | EP3776730A4 (en) |
| JP (1) | JP2021521578A (en) |
| WO (1) | WO2019193571A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7466457B2 (en) | 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 | Gradient Dielectric Film |
| WO2019193528A1 (en) * | 2018-04-06 | 2019-10-10 | 3M Innovative Properties Company | Radar standing wave dampnening components and systems |
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| US5134421A (en) * | 1988-08-29 | 1992-07-28 | Basf Aktiengesellschaft | Structures exhibiting improved transmission of ultrahigh frequency electromagnetic radiation and structural materials which allow their construction |
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2019
- 2019-04-05 JP JP2020554410A patent/JP2021521578A/en active Pending
- 2019-04-05 EP EP19780711.8A patent/EP3776730A4/en active Pending
- 2019-04-05 WO PCT/IB2019/052829 patent/WO2019193571A1/en active Application Filing
- 2019-04-05 US US17/045,582 patent/US20210028538A1/en active Pending
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