Barry Hotchkies has resigned as executive vice president and CFO of Applied Imaging Corp. The company said he is leaving the company to pursue other interests, and that Corporate Controller Virginia Garcia will be appointed to the interim position of principal accounting officer while it conducts a search for a permanent CFO. Applied Imaging, based in San Jose, Calif., is a supplier of automated imaging systems used in genetics and pathology laboratories for the analysis of chromosomes in cancer and prenatal disorders. . . . A technical article on through-hole assembly options for mixed-technology boards is available from Indium Corp. of America, a Clinton, N.Y., electronics assembly material supplier. For more information, contact abrown@indium.com. Indium said it will exhibit at the Assembly Technology Expo, to be held Sept. 28-30 in Rosemont, Ill., focusing on Pb (lead)-free solders and through-hole assembly options for mixed-technology boards using both leaded alloys and lead-free materials.