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1. 发明专利

JPS645099A SEMITRANSPARENT ELECTROMAGNETIC SHIELDING PANEL AND METHOD OF REDUCING TRANSMITTING ELECTROMAGNETIC LINES OF FORCE 失效
公开(公告)号：JPS645099A
公开(公告)日：1989-01-10
申请号：JP13957988
申请日：1988-06-08
申请人： PILKINGTON PLC
发明人： RESURII TOOMASU KURAAKU
IPC分类号： B32B7/02 , B32B15/04 , B32B15/08 , B32B17/10 , E06B5/18 , H05K9/00
摘要： PURPOSE: To reduce the reflectivity of a translucent electromagnetic shielding panel for visible light without lessening the electromagnetic shielding effect of the panel by providing two silver layers of =30nm in thickness are formed on two glass plates 2 and 3 having thicknesses of 3mm. The glass plates 2 and 3 are put together with a plastic intermediate layer 4 and wire-mesh trimming materials 7 and 8 in between. As a result, a panel which has the same electromagnetic shielding ability as the conventional panel having only one thick silver layer has, but lower reflectivity for visible light than the conventional panel can be obtained.

2. 发明专利

JPH03136399A ELECTROMAGNETIC SHIELDING PANEL 失效
公开(公告)号：JPH03136399A
公开(公告)日：1991-06-11
申请号：JP20937790
申请日：1990-08-09
申请人： PILKINGTON PLC
发明人： RESURII TOOMASU KURAAKU
IPC分类号： B32B17/10 , E06B5/18 , H05K9/00
摘要： PURPOSE: To effectively ground an easily-worn conductive covering by using a transparent abrasion-resistant conductive covering on the main external surface of a first glass plate as a first conductive covering or strongly capacitively coupling the first covering with a second conductive covering. CONSTITUTION: An electromagnetic shielding panel uses different low-emissivity types to covering glass plates for two shielding panels 1 and 2. One type of glass plate is composed, for example, of a transparent float glass plate which is coated with a translucent conductive film, has a thickness of 3-5mm, and is held between reflecting preventing layers 7 and 8 made of metal oxide. The electrical conductivity of the glass varies depending upon the thickness and can be adjusted to an order of 2.5 or 10Ω/cm . When a silver layer having a thickness of at least 15nm is used, a covering having a sheet resistance of 5Ω/cm can be obtained. A preferred covering has a thickness of at least 22.5nm so as to obtain a further lower sheet resistance. As the thickness of the silver layer increases, the cost of covering becomes higher, and the light transmissivity of the covering glass becomes poorer. Therefore, it is preferable to adjust the thickness of the silver layer to

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