Hi Ioan-

Your problem is that optical systems, particularly inexpensive ones, have
extremely small depth of field if they have enough magnification to see 1
mil bond wires. Typically, a 200X optical microscope will have a depth of
field of under 6 microns. You might get by with 100X, but then it starts
getting difficult to see the bond wires clearly.

As already suggested, the exception to this is Keyence, but they are
definitely not cheap!

What about sending the part out in order to get your pictures? Many
universities have SEMs available which provide beautiful, dimensionally
accurate images. I don't know if anybody has a Keyence system where they
will provide images for hire, but that's also a possibility.

Wayne

On Wed, Mar 14, 2018 at 11:55 AM, Tempea, Ioan <
[log in to unmask]> wrote:

> Dear Technos,
>
> We need to take HD images of microelectronic modules. By HD I mean I need
> to see 1 mil wires and to be able to accurately measure component spacing
> down to 5 mils.
>
> Do you know of any cheaper, desktop scanner level as opposed to AOI,
> equipment able to do this? ESD safe, etc.
>
> Thank you,
>
> Ioan Tempea, P. Eng.
> Sr. Manufacturing Engineer | Satellite Systems
> +1.514.457.2150 x3556 office<tel://+1.514.457.2150%20x3556/>
> [log in to unmask]<mailto:[log in to unmask]>
>
>
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