If they were'nt 'hand wired' who/what would have wired the chassis? robots? chimpanzees? Its funny how the public is led to believe that accepted status quo is somehow better than an emerging technology, but then as Jack points out, paper/phenolic was the best the technology had to offer at acceptable cost until a better understanding of the applications caused the development of improved standards, materials, and processes.
Cheers, Kyle LSI Logic Inc. -----Original Message----- From: Cook, Jack [mailto:[email protected]] Sent: Thursday, August 02, 2001 2:51 PM To: 'Rich Nute' Cc: [email protected] Subject: RE: Creepage dist. for more than 1000V ? Rich, Not really "absurd" given the quality of some of the board construction & materials I saw in those early days. For one thing, the materials did not suffer heat well for very long (paper/phenolic?) - remember they were still using tubes or later a mix of tubes & semi's. I also worked in TV shops during school and can remember thoroughly cooked PCB materials. Regards, Jack Xerox EMC -----Original Message----- From: Rich Nute [mailto:[email protected]] Sent: Thursday, August 02, 2001 10:45 AM To: [email protected] Subject: Re: Creepage dist. for more than 1000V ? Hi Terry: > I don't recall the Sony but do recall the Philco and that Zenith held out with the `hand wired' chassis. Now that you mention it... I do indeed recall that campaign. But, I did not -- then -- realize the context. Today, looking back, that campaign was really quite absurd! But it worked! Best regards, Rich ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: [email protected] Dave Heald [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.rcic.com/ click on "Virtual Conference Hall," ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: [email protected] Dave Heald [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.rcic.com/ click on "Virtual Conference Hall,"
