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Vol. 143, No. 8, August 2012, pp. 120-126

 

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Low Cost of Preparation of Infrared PbS Detector Using Copper Electrodes of PCB
 

1* Hariyadi Soetedjo, 2 Gunawan S. Prabowo and 3 Darsono BAHRUN

1 CIRNOV (Center for Integrated Research and Innovation) and FISIKA ELINS,
Universitas Ahmad Dahlan, Jalan Cendana 9A, Semaki, Yogyakarta 55166, Indonesia.

2 LAPAN, Jl. Raya LAPAN, Sukamulya, Rumpin, Bogor 16350, Indonesia.

3 PTAPB BATAN, Jalan Babarsari, Yogyakarta 55281, Indonesia.

* E-mail: hariyadi@uad.ac.id

 

Received: 16 May 2012   /Accepted: 21 August 2012   /Published: 28 August 2012

Digital Sensors and Sensor Sysstems

 

Abstract: Low cost of preparation of an infrared detector using copper electrodes layer from commercialized PCB (Printed Circuit Board) was prepared. The PbS deposition layer was used as an active material deposited on the substrate of the etched PCB using an evaporation technique in a few micrometers of layer thickness. Electrical property of various deposition widths was investigated from 1.0 to 4.0 mm. The detector’s parameters of drop voltage and sensitivity have been calculated. From the experiment, it has been found the encouraging result that shows relatively good sensitivity of infrared detector (1 – 3 mm) beside any advantages of inexpensive and easy for preparation.

 

Keywords: Detector, Infrared, PCB, Photoconductivity, Lead sulfide

 

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