CN110113924B - Electromagnetic shielding sheet and manufacturing method thereof - Google Patents
Electromagnetic shielding sheet and manufacturing method thereof Download PDFInfo
- Publication number
- CN110113924B CN110113924B CN201910369018.1A CN201910369018A CN110113924B CN 110113924 B CN110113924 B CN 110113924B CN 201910369018 A CN201910369018 A CN 201910369018A CN 110113924 B CN110113924 B CN 110113924B
- Authority
- CN
- China
- Prior art keywords
- magnetic conduction
- sheet
- layer
- magnetic
- electromagnetic shielding
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000003892 spreading Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
- H01F10/13—Amorphous metallic alloys, e.g. glassy metals
- H01F10/138—Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0088—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910369018.1A CN110113924B (en) | 2019-05-05 | 2019-05-05 | Electromagnetic shielding sheet and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910369018.1A CN110113924B (en) | 2019-05-05 | 2019-05-05 | Electromagnetic shielding sheet and manufacturing method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110113924A CN110113924A (en) | 2019-08-09 |
CN110113924B true CN110113924B (en) | 2024-01-16 |
Family
ID=67488091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910369018.1A Active CN110113924B (en) | 2019-05-05 | 2019-05-05 | Electromagnetic shielding sheet and manufacturing method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110113924B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040063911A (en) * | 2001-11-09 | 2004-07-14 | 티디케이가부시기가이샤 | Composite magnetic element, electromagnetic wave absorbing sheet, production method for sheet-form article, production method for electromagnetic wave absorbing sheet |
WO2010140367A1 (en) * | 2009-06-04 | 2010-12-09 | 株式会社 東芝 | Magnetic sheet with mount and method for producing electronic component using the same |
CN108990406A (en) * | 2018-09-28 | 2018-12-11 | 苏州世诺新材料科技有限公司 | Ultra-thin electromagnetic shields piece and the electronic equipment using it |
CN109328011A (en) * | 2018-11-05 | 2019-02-12 | 苏州世诺新材料科技有限公司 | Ultra-thin electromagnetic shields piece and preparation method thereof |
CN210008162U (en) * | 2019-05-05 | 2020-01-31 | 深圳市晶磁材料技术有限公司 | Electromagnetic shielding sheet |
-
2019
- 2019-05-05 CN CN201910369018.1A patent/CN110113924B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040063911A (en) * | 2001-11-09 | 2004-07-14 | 티디케이가부시기가이샤 | Composite magnetic element, electromagnetic wave absorbing sheet, production method for sheet-form article, production method for electromagnetic wave absorbing sheet |
WO2010140367A1 (en) * | 2009-06-04 | 2010-12-09 | 株式会社 東芝 | Magnetic sheet with mount and method for producing electronic component using the same |
CN108990406A (en) * | 2018-09-28 | 2018-12-11 | 苏州世诺新材料科技有限公司 | Ultra-thin electromagnetic shields piece and the electronic equipment using it |
CN109328011A (en) * | 2018-11-05 | 2019-02-12 | 苏州世诺新材料科技有限公司 | Ultra-thin electromagnetic shields piece and preparation method thereof |
CN210008162U (en) * | 2019-05-05 | 2020-01-31 | 深圳市晶磁材料技术有限公司 | Electromagnetic shielding sheet |
Also Published As
Publication number | Publication date |
---|---|
CN110113924A (en) | 2019-08-09 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200424 Address after: 518106 402, building 4, Xianan third industrial zone, Shangcun community, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Dingtai magnetic material Co.,Ltd. Address before: 518106 Siquan Industrial Park, Jiangbian Village Haikou Industrial Zone, Dongguan City, Guangdong Province Applicant before: SHENZHEN JINGCI MATERIAL TECHNOLOGY Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20201117 Address after: 518000 the third floor of Yuwei factory building at the junction of Qingxiang road and Qinghua Road, Qinghu community, Longhua street, longzuo District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN JINGCI MATERIAL TECHNOLOGY Co.,Ltd. Address before: 518106 402, building 4, Xianan third industrial zone, Shangcun community, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen Dingtai magnetic material Co.,Ltd. |
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TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |