Electric heating – Metal heating – By arc
Patent
1999-03-24
2000-07-11
Ryan, Patrick
Electric heating
Metal heating
By arc
2191216, 21912167, 21912168, 21912169, 21912172, B23K 2600
Patent
active
060876182
ABSTRACT:
An x-ray focal plane array (XFPA) detector is fabricated by a laser micro-milling method under strict process control conditions. The detector has an array of phosphor pixels bonded together with a light reflective adhesive filling the grooves between adjacent pixels. The phosphor array is bonded on top of a visible detector array, either directly or via a light guiding structure, such that each phosphor pixel is aligned with a corresponding visible detector pixel. The phosphor array is fabricated by moving a phosphor substrate relative to a laser beam of predetermined intensity at a controlled, constant velocity along a predetermined path defining a set of grooves between adjacent pixels so that a predetermined laser flux per unit area is applied to the phosphor material, and repeating the movement for a plurality of passes of the laser beam until the grooves are ablated to a desired depth.
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McFall James Earl
Wiener-Avnear Eliezer
Elve M. Alexandra
Ryan Patrick
Wiener-Avnear Eliezer
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