Microstructure effect on the HNO3-HF etching of LPCVD boron-doped polycrystalline silicon F. Mansour-Bahloul, D. Bielle-Daspet and A. Peyrelavigne Rev. Phys. Appl. (Paris), 22 7 (1987) 671-676 DOI: 10.1051/rphysap:01987002207067100