Process Research on Polycrystalline Silicon Material (PROPSM)
Technical Report
·
OSTI ID:6881307
The investigation of the performance limiting mechanisms in large grain (greater than 1-2 mm in diameter) polycrystalline silicon was continued by fabricating a set of minicell wafers on a selection of 10 cm x 10 cm wafers. A minicell wafer consists of an array of small (approximately 0.2 sq cm in area) photodiodes which are isolated from one another by a mesa structure. The junction capacitance of each minicell was used to obtain the dopant concentration, and therefore the resistivity, as a function of position across each wafer. The results indicate that there is no significant variation in resistivity with position for any of the polycrystalline wafers, whether Semix or Wacker. However, the resistivity of Semix brick 71-01E did decrease slightly from bottom to top.
- Research Organization:
- Solarex Corp., Rockville, MD (USA)
- OSTI ID:
- 6881307
- Report Number(s):
- N-83-33338; NASA-CR-172963; JPL-9950-842
- Country of Publication:
- United States
- Language:
- English
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