If your design is very flat & you have an accurate scanner, you can try using a scan
to verify the accuracy of your measurements. All you need is 2 defined points for the
x & y to correct your scanner's scale.
_____________
Brian Guralnick
----- Original Message -----
From: "Frank Langlois" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Sent: Monday, June 04, 2001 12:15 PM
Subject: Re: [PEDA] Mechanical layout question?
| Bausch & Lomb makes a magnifying loupe that has several differently
| scaled viewing screens that can be attached. This is more effective than
| calipers in determining trace widths, pad/hole sizes and distances of about
| 0.75" or less.
|
| Frank Langlois
|
| Project Development
| P.O. Box 5582
| Bend, OR 97708
|
| Mamdouh Wahab wrote:
|
| > Greetings to all,
| >
| > I am laying out a board that will connect to a generic daughter
| > board. The connection between them is through a Board to Board
| > (header/socket) connector plus aligned holes for mounting.
| > I have the physical (component populated) daughter board,
| > I am trying to measure the different distances and coordinates
| > using a digital calliper.
| > However, the 1st prototype had some misalignment although I
| > was carefull in taking the measurement.
| > My question is-
| > Is there a preciese way of taking the coordinates of the connectors
| > and holes on the physical daughter board?
| > I thought of taking a digital picture of the board export it to a CAD
| > or Drawing software and do the measurments there. Is this the way to go?
| >
| > Thanks
| > Mamdouh Wahab
|
|
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