Hi All, My thoughts are that back in the good old days of hand loading, the color green was easy on your eyes. Staring at a board all day is hard on your eyes. The color green is a very soothing color. enjoy your day. Jackie O'Roark The Job Shop ----- Original Message ----- From: Arturo Aguayo <[log in to unmask]> To: <[log in to unmask]> Sent: Wednesday, February 16, 2000 12:14 AM Subject: [TN] Why are soldermasks green? > I was recently asked by a college student working on a research project, > "why are printed circuit boards green?". The short answer to that is that > they are green because of the soldermask color. Which led to the next > question "is there a reason why soldermasks are green?" To this question I > had no answer and therefore turn to this forum to see if anybody might know > the reason (I wouldn't want a student to not graduate because of me). > > regards > Art Aguayo > > ############################################################## > TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c > ############################################################## > To subscribe/unsubscribe, send a message to [log in to unmask] with following text in > the body: > To subscribe: SUBSCRIBE TECHNET <your full name> > To unsubscribe: SIGNOFF TECHNET > ############################################################## > Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional > information. > If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or > 847-509-9700 ext.5365 > ############################################################## > ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################