S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Electrical and Computer Engineering (전기·정보공학부) Journal Papers (저널논문_전기·정보공학부)
Silicon Retinal Tack for the Epiretinal Fixation of the Polyimide Electrode Array
- Seo, Jong-Mo; Paik, Seung Joon; Kim, Eui Tae; Byun, Sang Won; Lee, Ah Ra; Cho, Dongil; Kim, Sung June; Yu, Hyeong Gon; Yu, Young Suk; Chung, Hum
- Issue Date
- Curr. Appl. Phys. 6 (2006) 649
- Silicon-micromachined retinal tacks were developed for the fixation of the epiretinal-type retina-stimulating microelectrode
array. Silicon retinal tacks were fabricated by using the silicon on insulator (SOI) process, a method of releasing silicon structures
in a SOI wafer. The dimensions of the retinal tack were substantially smaller than those of the conventional titanium tack, at 1.5 mm
long, 150 lm wide, and 150 lm thick. To enhance the durability and biocompatibility of the retinal tack, 3 lm-thick parylene film
was uniformly deposited on the entire surfaces. Short-term evaluation of the durability of the silicon retinal tack in vivo showed
acceptable biocompatibility and firm fixation of the microelectrode array onto the retina.
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