The advantage of acrylic is that it is see-through. Sometimes that is useful. A polycarbonate (LEXAN) is tougher. -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Paul Hutchinson Sent: Friday, June 11, 2004 10:43 AM To: PICLIST@MITVMA.MIT.EDU Subject: Re: [EE:] Source of spring-loaded-probes for making test fixture? > -----Original Message----- > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Ed Sutton > > I am thinking that I could take a sheet of plexiglass acrylic and drill > holes the appropriate diameter for pogo pin receptacles. Or is there Acrylic is too brittle if you plan to use the fixture for many years, a few drops by technicians and it cracks. I use acetal (Delrin) for pogo pin test fixtures that need to last for many years of use. Some of the test fixtures I've built for work have been in use for over 20 years now. Paul -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics