[hybrid.circuits] Re: 5 users

  • From: "Yahoo Email" <pwb_engineer@xxxxxxxxx>
  • To: <hybrid.circuits@xxxxxxxxxxxxx>
  • Date: Wed, 15 Oct 2003 20:21:35 -0500

I have two people (possibly 3) that do contract assembly for me. I can
handle any assembly on this end.
Sincerely,
Clyde Sprowl
C&B PWB Design Services, Inc.
Phone 260.355.0590
Fax 603.258.5520
http://home.comcast.net/~pwb_engineer/
----- Original Message -----
From: "T.L. Dlouhy" <tdcad@xxxxxxxx>
To: <hybrid.circuits@xxxxxxxxxxxxx>
Sent: Wednesday, October 15, 2003 16:20
Subject: [hybrid.circuits] Re: 5 users


> Hi Rod,
>
> 1. I'm not sure what "flavor" of diode you are using, but a quick glance
> in the Digi-Key catalog shows one SOT-143 diode at $0.53 a piece or
> $37.50 per 100. The 0603 capacitor ranges in price from $9.91 to $62.70
> per 500.
>
> 2. Since no clean room will be involved that eliminates a lot of cost.
> There will still have to be an assembly area, unless this can be done in
> a home environment by some piece work "employees". The only thing with
> the home environment assembly is OSHA and their concerns with solder
> vapors and hot solder in general as a safety concern, especially if
> minors reside at the home environment.
>
> 3. Since this will be a surface mounted package, are the SMT contacts to
> be edge clips attached with high temperature solder? How many contacts
> are required per package? Are all of the contacts the same
> configuration/size or are one or more to be different?
>
> 4. The enclosure and epoxy may be inexpensive, but the oven will be a
> high cost. I looked at Unibox Enclosures for an example and found theirs
> to be larger than you needed, but the cost is about $0.25 each.
>
> 5. Again, the cost will be the test equipment. Fixtures may be a little
> costly up front, but they can be used over and over. The more they are
> used, the less the per part cost.
>
> Tom Dlouhy, C.I.D.
>
>
> -----Original Message-----
> From: hybrid.circuits-bounce@xxxxxxxxxxxxx
> [mailto:hybrid.circuits-bounce@xxxxxxxxxxxxx] On Behalf Of Rod Kirkhart
> Sent: Wednesday, October 15, 2003 9:55 AM
> To: hybrid.circuits@xxxxxxxxxxxxx
> Subject: [hybrid.circuits] Re: 5 users
>
> Hi Tom and Clyde,  I appeciate your help. I answered your questions
> below.  It's nice to know what my options are in case I do not get a
> license agreement.
>
> Rod
> "T.L. Dlouhy" <tdcad@xxxxxxxx> wrote:
>
> Hi Rod,
>
> The FR4 board cost would be minimal. I know of several fabrication shops
> that are very reasonable on price. Other things to consider would be:
>
> 1. What components are to be placed on the circuit? SMT resistors and
> capacitors are fairly inexpensive in quantities, but vary depending on
> values.  SOT 143 Diode package and a 0603 capacitor
>
> 2. Will the product need to be assembled and tested in a clean room
> environment to meet certain specifications?  No clean room is needed.
>
> 3. How will the final component/assembly be mounted for customer use? Is
> it to be surface mount contacts or leaded for thru holes? How will the
> contacts/leads be attached to the PCB/substrate?  It will be surface
> mount.
>
> 4. An enclosure is most likely going to be needed. How will this attach
> to the PCB/substrate (Hi-Temp solder, crimping, etc.)  A plastic or
> ceramic lid will be needed to be applied by epoxy , then cured in an
> oven.
>
> 5. The test equipment could be rather expensive, but it can be leased
> for the time it is needed. How automated is the testing process to be?
> Can fixtures be made for automation or can existing fixtures be
> used/modified?  There is only 1 test needed for production( insertion
> loss).  Test fixtures would be quite easy to produce.
>
> I agree with Clyde with getting an attorney and having the Minicircuits
> proposal reviewed. Another company you may want to approach is Remec.
>
> Tom Dlouhy, C.I.D.
>
>
>
> -----Original Message-----
> From: hybrid.circuits-bounce@xxxxxxxxxxxxx
> [mailto:hybrid.circuits-bounce@xxxxxxxxxxxxx] On Behalf Of Rod Kirkhart
> Sent: Tuesday, October 14, 2003 12:12 PM
> To: hybrid.circuits@xxxxxxxxxxxxx
> Subject: [hybrid.circuits] Re: 5 users
>
> Hello All (Tom & Clyde),
>
> I am a liitle embarassed to say it, but I have no plan or idea where to
> go with it. I was recently given an offer to me from Minicircuits.
> They were to give me royalties, but the offer seemed risky to me. I
> would like to develop them myself, but the test equiment is expensive,
> developing prototypes is too.
>
> For example:
>
> 1 mixer is .5"x1" , built on a 2 layer FR4 board.
>
> How much would that run me for say 500 mixers?
>
>
> Thanks,
>
> Rod
>
> Yahoo Email
> wrote:
> What is involved? I have some business associates who are in this
> business.
> They might be interested in working with you.
> Sincerely,
> Clyde Sprowl
> C&B PWB Design Services, Inc.
> Phone 260.355.0590
> Fax 603.258.5520
> http://home.comcast.net/~pwb_engineer/
> ----- Original Message -----
> From: "Rod Kirkhart"
> To:
> Sent: Monday, October 13, 2003 17:27
> Subject: [hybrid.circuits] Re: 5 users
>
>
> > I am an RF Designer. I have currently developed some PCB based designs
> that are quite unique. They could be developed on anything from FR4 to
> alumina. These designs are RF components such as mixers and multipliers.
> I
> would like to pursue development and manufacturing on my own, but would
> like
> help. Anybody interested?
> >
> > Rod
> >
> >
> > Yahoo Email
> wrote:
> > I consider myself a craftsman. Sometimes, I quit tracking hours, and
> > concentrate on the placement and routing in order to give all my
> attention
> > to the final product, and not have to worry about if I'm overcharging.
> It
> > seems to make a difference with my customers. They see the quality in
> the
> > designs they receive. I bet they don't get that kind of service from
> the
> > offshore shops.
> > Sincerely,
> > Clyde Sprowl
> > C&B PWB Design Services, Inc.
> > Phone 260.355.0590
> > Fax 603.258.5520
> > http://home.comcast.net/~pwb_engineer/
> > ----- Original Message -----
> > From: "T.L. Dlouhy"
> > To:
> > Sent: Monday, October 13, 2003 15:23
> > Subject: [hybrid.circuits] Re: 5 users
> >
> >
> > > From talking with companies that do hybrid design and are looking
> for
> > > EDA software, they are becoming quite busy, but are not yet ready to
> > > step up to the plate and hire more designers.
> > >
> > > I have about ten years experience with thick film and thin film
> hybrid
> > > designs and have been exposed heavily to LTCC with cavities. In
> > > addition, I have over 23 years of PCB design experience, mainly in
> RF
> > > and analog, but have done multi-layer digital boards.
> > >
> > > Working for my present employer, an EDA software company, one of my
> many
> > > duties is to cover technical support. It amazes me sometimes the
> circuit
> > > designs that are sent in for last minute trouble shooting have been
> > > deemed acceptable for manufacture. I don't mean to sound cynical,
> but I
> > > cringe when I see some of the design practices that are used. Does
> this
> > > mean I still haven't lost my touch?
> > >
> > > Tom Dlouhy, C.I.D.
> > >
> > >
> > > -----Original Message-----
> > > From: hybrid.circuits-bounce@xxxxxxxxxxxxx
> > > [mailto:hybrid.circuits-bounce@xxxxxxxxxxxxx] On Behalf Of Yahoo
> Email
> > > Sent: Monday, October 13, 2003 12:56 PM
> > > To: hybrid.circuits@xxxxxxxxxxxxx
> > > Subject: [hybrid.circuits] Re: 5 users
> > >
> > > How's the captive job market for hybrid designers? Do you have any
> pwb
> > > design experience or ASIC experience?
> > > Sincerely,
> > > Clyde Sprowl
> > > C&B PWB Design Services, Inc.
> > > Phone 260.355.0590
> > > Fax 603.258.5520
> > > http://home.comcast.net/~pwb_engineer/
> > > ----- Original Message -----
> > > From: "T.L. Dlouhy"
> > > To:
> > > Sent: Monday, October 13, 2003 14:51
> > > Subject: [hybrid.circuits] Re: 5 users
> > >
> > >
> > > > They have insurance, but the employee has to pay the full premiums
> and
> > > > they were California prices, around $700 a month and that was
> three
> > > > years ago. Who knows how much it is now. Same with the 401K; they
> have
> > > a
> > > > program, but the employee is responsible for all donations to the
> > > fund.
> > > > The company puts in nothing.
> > > >
> > > > Tom
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: hybrid.circuits-bounce@xxxxxxxxxxxxx
> > > > [mailto:hybrid.circuits-bounce@xxxxxxxxxxxxx] On Behalf Of Yahoo
> Email
> > > > Sent: Monday, October 13, 2003 12:39 PM
> > > > To: hybrid.circuits@xxxxxxxxxxxxx
> > > > Subject: [hybrid.circuits] Re: 5 users
> > > >
> > > > I hear you about the limited benefits. Don't you have health
> benefits?
> > > I
> > > > don't either.
> > > > Sincerely,
> > > > Clyde Sprowl
> > > > C&B PWB Design Services, Inc.
> > > > Phone 260.355.0590
> > > > Fax 603.258.5520
> > > > http://home.comcast.net/~pwb_engineer/
> > > > ----- Original Message -----
> > > > From: "T.L. Dlouhy"
> > > > To:
> > > > Sent: Monday, October 13, 2003 14:19
> > > > Subject: [hybrid.circuits] Re: 5 users
> > > >
> > > >
> > > > > Clyde,
> > > > >
> > > > > Since I am working for an EDA software company, I am not sure if
> my
> > > > > answers apply, but here they are.
> > > > >
> > > > > 1) I am captive, although I may as well be contract since the
> only
> > > > > benefit I get is vacation.
> > > > >
> > > > > 2) Business is slow, but steady. There is a lot of interest, but
> > > real
> > > > > results thin out quickly.
> > > > >
> > > > > 3) In the EDA software business, my greatest need would be more
> > > > > customers. As a designer, my greatest need would be to acquire a
> > > > decent
> > > > > paying design position with benefits.
> > > > >
> > > > > Tom Dlouhy, C.I.D.
> > > > >
> > > > >
> > > > > -----Original Message-----
> > > > > From: hybrid.circuits-bounce@xxxxxxxxxxxxx
> > > > > [mailto:hybrid.circuits-bounce@xxxxxxxxxxxxx] On Behalf Of Yahoo
> > > Email
> > > > > Sent: Monday, October 13, 2003 11:46 AM
> > > > > To: Hybrids
> > > > > Subject: [hybrid.circuits] 5 users
> > > > >
> > > > > Congratulations everyone for joining the list. We're at 5 users
> now!
> > > > > Thanks to Tom for passing the word along. Thought I would ask a
> few
> > > > > questions of everyone:
> > > > > 1) are you captive or contract?
> > > > > 2) How is business?
> > > > > 3) what are your greatest needs?
> > > > >
> > > > > If you have any other issues that you feel the members can help
> > > > resolve,
> > > > > feel free to post.
> > > > >
> > > > > Sincerely,
> > > > > Clyde Sprowl
> > > > > C&B PWB Design Services, Inc.
> > > > > Phone 260.355.0590
> > > > > Fax 603.258.5520
> > > > > http://home.comcast.net/~pwb_engineer/
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
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