WO1998014040B1 - A method and a device for shielding an electrical component - Google Patents
A method and a device for shielding an electrical componentInfo
- Publication number
- WO1998014040B1 WO1998014040B1 PCT/FI1997/000579 FI9700579W WO9814040B1 WO 1998014040 B1 WO1998014040 B1 WO 1998014040B1 FI 9700579 W FI9700579 W FI 9700579W WO 9814040 B1 WO9814040 B1 WO 9814040B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- protective device
- component part
- parts
- protective
- protective cover
- Prior art date
Links
- 230000001681 protective Effects 0.000 claims abstract 38
- 239000000463 material Substances 0.000 claims abstract 8
- 238000005304 joining Methods 0.000 claims abstract 3
- 239000002184 metal Substances 0.000 claims abstract 3
- 238000007664 blowing Methods 0.000 claims abstract 2
- 238000003825 pressing Methods 0.000 claims abstract 2
- 238000005096 rolling process Methods 0.000 claims abstract 2
- 230000000007 visual effect Effects 0.000 claims abstract 2
- 239000011248 coating agent Substances 0.000 claims 4
- 238000000576 coating method Methods 0.000 claims 4
- -1 polyethylene Polymers 0.000 claims 2
- 239000004698 Polyethylene (PE) Substances 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 claims 1
- 210000001138 Tears Anatomy 0.000 claims 1
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 229920001940 conductive polymer Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229920000515 polycarbonate Polymers 0.000 claims 1
- 239000004417 polycarbonate Substances 0.000 claims 1
- 229920000728 polyester Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000007738 vacuum evaporation Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000007747 plating Methods 0.000 abstract 3
- 210000003739 Neck Anatomy 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 239000002365 multiple layer Substances 0.000 abstract 1
- 239000002985 plastic film Substances 0.000 abstract 1
Abstract
A protective device for shielding an electrical component part during its operation comprises a protective cover (2, 12) preformed of a film-like material in such a way that the preforming conforms to the topography of said component part in predetermined respects, said protective cover being designed so as to envelope said component part substantially from all sides. The basic part of the protective cover is a thin but rigid plastic film (15) formed by deep drawing, blowing, pressing or rolling. A joining structure (4a, 4b) on the edges of the protective cover parts mechanically locks the parts to each other. Gaps on the protective cover enable contacts through it (9, 10). EMC shielding is provided by a metal plating (16) on the protective cover, said plating having gaps to provide visual connections between the part to be protected and its environment. The metal plating may comprise multiple layers which may be separated by intermediate layers. The protective cover may have a perforation (22) along which it can be torn open. Protective covers are manufactured in the form of a long tape with joining necks (13) connecting adjacent parts.
Claims
1. A protective device for shielding an electrical component part (1) during its operation, comprising a protective cover (2, 12) preformed of a film-like material, the preforming conforming to the topography of said component part in predetermined respects, characterised in that it comprises at least two parts (2, 12) designed to be attached to each other in such a manner that the component part (1) to be protected is enclosed within a closed structure.
2. The protective device of claim 1, characterised in that it comprises a joining structure (4a, 4b) on the edge of at least one part for mechanically attaching the parts to one another.
3. The protective device of claim 1 or 2, characterised in that it comprises between at least two parts a hinge portion (13) to join said parts to each other in a turning manner.
4. The protective device of claim 1, 2 or 3, characterised in that said parts are designed to be attached to one another in such a manner that the joint between them is watertight.
5. The protective device of claim 4, characterised in that in order to increase the tightness said joint comprises a reinforcement which is one of the following: welding, gluing, taping.
6. The protective device or claim 1, 2, 3 or 4, characterised in that said parts are arranged to be attached to one another with a re-openable mechanical joint.
7. The protective device of any one of the preceding claims, characterised in that it comprises a physical gap to enable a contact between a connector element (10) in the component part to be protected and another component part, the edge of said gap being designed so as to be sealed around said connector element (10).
8. The protective device of any one of the preceding claims, characterised in that it comprises a portion which, in order to leave an insulative gas space of a predetermined size between the component part to be protected and the protective device, is raised with respect to the local topography (8, 13) of said component part.
9. The protective device of any one of the preceding claims, characterised in that it is manufactured of one of the following materials: polyester, polyethylene, polycarbonate, polypropylene.
10. The protective device of any one of the preceding claims, characterised in that it further comprises a substantially continuous electrically conductive layer (16) in order to provide EMC shielding for said component part.
11. The protective device of claim 10, characterised in that said electrically conductive layer is metallic.
12. The protective device of claim 10, characterised in that said electrically conductive layer is made of a conductive polymer.
13. The protective device of claim 10, 11 or 12, characterised in that said electrically conductive layer comprises a gap in order to create a visual connection between the component part (3) to be protected and its environment.
14. The protective device of any one of claims 10 to 13, characterised in that said electrically conductive layer is on that side of said film-like material which is not intended against the component part to be protected and that it further comprises at least one electrically conductive area on the other side of said film-like material.
15. The protective device of any one of claims 10 to 14, characterised in that said electrically conductive layer comprises at least two sublayers.
16. The protective device of any one of claims 10 to 15, characterised in that it comprises on at least part of its outer surface a metal layer (20) no more than 1 μm thick in order to create a glossy outer surface.
17. The protective device of any one of the preceding claims, characterised in that it comprises a proof of genuineness (21).
18. The protective device of any one of the preceding claims, characterised in that it further comprises on its outermost surface a substantially continuous anti- oxidisation and anti-wear layer (19).
19. The protective device of any one of the preceding claims, characterised in that it comprises a row of holes or depressions (22) to form a tear line.
20. The protective device of claim 19, characterised in that said holes or depressions are in said film-like material (15) so that coatings (16) formed on its surface cover and seal said holes or depressions. 22
21. A method for producing a protective device for shielding an electrical component part during its operation, comprising a step of preforming a cover consisting of film-like material to conform to the topography of said component part in predetermined respects before being attached to said electrical component part characterised in that at least two parts (2, 12) of a said film-like cover are preformed and attached to each other in such a manner that the component part (1) to be protected is enclosed within a closed structure.
22. The method of claim 21, characterised in that several successive parts (2, 12) of the protective device are preformed of a tape-like material in such a manner that said parts form a tape also after the preforming.
23. The method of claim 22, characterised in that said protective devices are formed by a method that is one of the following: deep drawing, blowing, pressing, rolling.
24. The method of any one of claims 21 to 23, characterised in that after the preforming it comprises at least one coating step in which a coating (16) of a desired shape is formed on the surface of the protective device without detaching the protective device from the tape of successive protective devices.
25. The method of claim 24, characterised in that said coating step is vacuum evaporation.
26. The method of claim 24 or 25, characterised in that in said coating step at least one part of a desired shape of said protective device is left uncoated.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU43876/97A AU4387697A (en) | 1996-09-27 | 1997-09-26 | A protective device for shielding an electrical apparatus against environmental conditions |
| EP97942063A EP0929999B1 (en) | 1996-09-27 | 1997-09-26 | A protective device for shielding an electrical apparatus against environmental conditions |
| DE69727951T DE69727951D1 (en) | 1996-09-27 | 1997-09-26 | PROTECTIVE DEVICE FOR SHIELDING AN ELECTRICAL DEVICE UNDER ENVIRONMENTAL CONDITIONS |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI963872A FI963872A (en) | 1996-09-27 | 1996-09-27 | Protective device to protect the electrical equipment from environmental conditions |
| FI963872 | 1996-09-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO1998014040A2 WO1998014040A2 (en) | 1998-04-02 |
| WO1998014040A3 WO1998014040A3 (en) | 1998-05-07 |
| WO1998014040B1 true WO1998014040B1 (en) | 1998-06-04 |
Family
ID=8546757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FI1997/000579 WO1998014040A2 (en) | 1996-09-27 | 1997-09-26 | A method and a device for shielding an electrical component |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0929999B1 (en) |
| AU (1) | AU4387697A (en) |
| DE (1) | DE69727951D1 (en) |
| FI (1) | FI963872A (en) |
| WO (1) | WO1998014040A2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH697842B1 (en) * | 1999-09-29 | 2009-02-27 | Optrel Ag | Anti-glare device. |
| DE10134152A1 (en) * | 2001-07-13 | 2003-01-30 | Knorr Bremse Systeme | Microprocessor controller has cover with constriction near microprocessor |
| JP4106285B2 (en) * | 2003-02-12 | 2008-06-25 | アルプス電気株式会社 | High frequency equipment |
| US7358836B2 (en) | 2006-03-29 | 2008-04-15 | Eaton Corporation | Shield, and printed circuit board and electrical apparatus employing the same |
| FI122254B (en) * | 2009-05-20 | 2011-10-31 | Sakari Peltoniemi | Electricity Distribution Construction |
| DE102009047681A1 (en) * | 2009-12-08 | 2011-06-09 | Robert Bosch Gmbh | Circuit module and method for producing such a circuit module |
| DE202014104195U1 (en) | 2014-09-05 | 2014-09-17 | Elv Elektronik Ag | sensor device |
| CN108738229A (en) * | 2018-08-21 | 2018-11-02 | 深圳市泽华永盛技术有限公司 | A kind of connection line structure on substrate and its electronic equipment |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3436467A (en) * | 1966-09-09 | 1969-04-01 | Honeywell Inc | Electric shield and insulator |
| US3756399A (en) * | 1971-08-30 | 1973-09-04 | Westinghouse Electric Corp | Skin package for an article and method of forming the package |
| US4227037A (en) * | 1979-05-29 | 1980-10-07 | Gulf & Western Manufacturing Company | Shielded non-metallic container |
| US4639545A (en) * | 1984-02-07 | 1987-01-27 | Raychem Limited | Recoverable article for screening |
| US4959752A (en) * | 1988-10-24 | 1990-09-25 | Digital Equipment Corporation | Electronic module RFI/EMI shielding |
| DE4129238A1 (en) * | 1991-09-03 | 1993-03-04 | Bosch Gmbh Robert | ELECTRICAL DEVICE, ESPECIALLY SWITCHING AND CONTROL UNIT FOR MOTOR VEHICLES |
| US5318855A (en) * | 1992-08-25 | 1994-06-07 | International Business Machines Corporation | Electronic assembly with flexible film cover for providing electrical and environmental protection |
| US5519585A (en) * | 1993-04-12 | 1996-05-21 | Dell Usa, L.P. | Sandwiched insulative/conductive layer EMI shield structure for printed circuit board |
| US5436803A (en) * | 1993-12-16 | 1995-07-25 | Schlegel Corporation | Emi shielding having flexible conductive envelope |
| SE504039C2 (en) * | 1994-06-14 | 1996-10-21 | Ericsson Telefon Ab L M | Way to injection mold plastic |
-
1996
- 1996-09-27 FI FI963872A patent/FI963872A/en not_active Application Discontinuation
-
1997
- 1997-09-26 EP EP97942063A patent/EP0929999B1/en not_active Expired - Lifetime
- 1997-09-26 DE DE69727951T patent/DE69727951D1/en not_active Expired - Lifetime
- 1997-09-26 WO PCT/FI1997/000579 patent/WO1998014040A2/en active IP Right Grant
- 1997-09-26 AU AU43876/97A patent/AU4387697A/en not_active Abandoned
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