Thanks Wayne,



Trouble is hybrid is 4”x4” and I need images of about 320 of them. We have an SEM, but it would take weeks to do all the photo shooting.



Best regards,



Ioan



De : Wayne Thayer [mailto:[log in to unmask]]

Envoyé : March 23, 2018 2:07 PM

À : TechNet E-Mail Forum; Tempea, Ioan

Objet : Re: [TN] Industrial scanners



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]<mailto:[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<tel:%2B1.514.457.2150%20x3556> office<tel://+1.514.457.2150%20x3556/>

[log in to unmask]<mailto:[log in to unmask]><mailto:[log in to unmask]<mailto:[log in to unmask]>>





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