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    • 55. 发明公开
    • Electrically modulatable thermal radiant source
    • Elektrisch modulierbareWärmestrahlungsquelle
    • EP0776023A2
    • 1997-05-28
    • EP96660084.3
    • 1996-11-15
    • VAISALA OY
    • Blomberg, MarttiTorkkeli, AlttiLindblad, StefanLehto, Ari
    • H01K1/02H01K7/00H05B3/00
    • H01K7/00G01J3/108H01K1/00H05B3/12H05B3/16
    • The invention is related to an electrically modulatable thermal radiant source with a multilayer structure. The radiant source comprises a substrate (13), a first insulating layer (22) formed onto said substrate (13), a radiant surface layer (11) formed onto said first insulating layer (22), a second insulating layer (24) formed on said radiant surface layer (11), a first metallization (incandescent filament) layer (10) formed on said second insulating layer, a third insulating layer (26) formed on said first metallization layer, and a second metallization layer (15) for contacting formed on said third insulating layer (26). According to the invention, very thin incandescent filaments (10) are formed from said first metallization layer (10) and surrounded by the other elements (22, 11, 24, 26) of the multilayer structure as a uniform, planar plate.
    • 本发明涉及具有多层结构的电可调热辐射源。 辐射源包括基板(13),形成在所述基板(13)上的第一绝缘层(22),形成在所述第一绝缘层(22)上的辐射表面层(11),形成第二绝缘层 在所述辐射表面层(11)上,形成在所述第二绝缘层上的第一金属化(白炽灯丝)层(10),形成在所述第一金属化层上的第三绝缘层(26)和第二金属化层 接触形成在所述第三绝缘层(26)上。 根据本发明,从所述第一金属化层(10)形成非常薄的白炽灯丝(10),并被多层结构的其它元件(22,11,24,26)包围,作为均匀的平板。