Transparent wave absorber using resistive thin film at V-band frequency

Author

Takizawa, Koji ; Hashimoto, Osamu

Author_Institution

TDK, Chiba, Japan

Volume

47

Issue

7

fYear

1999

fDate

7/1/1999 12:00:00 AM

Firstpage

1137

Lastpage

1141

Abstract

We present a realization of a transparent wave absorber effective for use at V-band frequency. First, we propose a structure of the transparent wave absorber consisting of spacer (polycarbonate) and two transparent resistive sheets (polyethylene-terephthalate deposited with indium-tin-oxide) used as reflection and absorption films. Second, a design chart for this type of wave absorber is shown. Third, a design method and manufacturing process of the transparent wave absorber are described, particularly for V-band frequency. As a result, the measurement of reflection loss of the absorber indicates that a peak absorption of 32-38 dB is attained at a target frequency of 60 GHz

Keywords

electromagnetic wave absorption; losses; millimetre wave devices; millimetre waves; polymer films; thin films; 60 GHz; EHF; ITO; ITO-PET; InSnO; MM-wave absorber; V-band frequency; absorption film; design chart; manufacturing process; polycarbonate spacer; polyethylene-terephthalate; reflection film; reflection loss; resistive thin film; transparent resistive sheets; transparent wave absorber; Absorption; Frequency measurement; Indium tin oxide; Optical films; Plastic films; Positron emission tomography; Protection; Reflection; Sheet materials; Transistors;

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/22.775450

Filename

775450