Alignment of printed circuit board targets

Details Alignment of printed circuit board targets Alignment of printed circuit board targets

2011-05-17

2011-05-17

Desire, Gregory M (Department: 2624)

Image analysis

Applications

Manufacturing or product inspection

C250S491100, C250S559300, C356S237600, C356S399000

Reexamination Certificate

active

07945087

ABSTRACT:
A method for micromachining a material, including configuring an optical system to provide illumination of an illumination wavelength to a site via a given element of the optical system, the illumination generating returning radiation from the site. The method further includes configuring the optical system to receive the returning radiation via the given element, and to form an image of the site therefrom, calculating an actual position of a location at the site from the image and outputting a signal indicative of the actual position of the location, generating a beam of micromachining radiation having a micromachining wavelength different from the illumination wavelength, positioning the beam to form an aligned beam with respect to the location in response to the signal, and conveying the aligned beam to the location via at least the given element of the optical system so as to perform a micromachining operation at the location.

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