true Trikeman, but still he's bit from this FM radio not bigger than 20um !
/Inge
http://www.ccmr.cornell.edu/news/news.html?id=107
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Creswick, Steven
Sent: den 1 december 2008 15:59
To: [log in to unmask]
Subject: Re: [TN] Alumina Substrate
Ah! But it is the challenge, is it not?
Depends on what Jeff calls 'small' :-)
Steve
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Hernefjord Ingemar
Sent: Monday, December 01, 2008 9:54 AM
To: [log in to unmask]
Subject: Re: [TN] Alumina Substrate
5 mil Alumina? Very thin, I'd say. Special? I've been working with RF substrates many, many years, but never used that thinness. I guess you are going to back them up with at metal sheet.
Inge
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of McGlaughlin, Jeffrey A
Sent: den 1 december 2008 14:57
To: [log in to unmask]
Subject: [TN] Alumina Substrate
To All,
I have been ask to identify a source for some small high frequency circuits on 5 mil thick Alumina substrate. Can anyone recommend a source in the US (absolute requirement)?
TIA,
Jeffrey A McGlaughlin, CID
Engineering Designer
Battelle
505 King Ave
Columbus Ohio 43201-2693
Phone (614)424-7582
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