Substrate provided with an alignment mark, method of...

Active solid-state devices (e.g. – transistors – solid-state diode – Alignment marks

Reexamination Certificate

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C438S401000, C438S462000, C438S975000

Reexamination Certificate

active

06876092

ABSTRACT:
A substrate provided with an alignment mark in a substantially transmissive process layer overlying the substrate, said mark comprising at least one relatively high reflectance area(s) for reflecting radiation of an alignment beam of radiation, and relatively low reflectance areas for reflecting less radiation of the alignment beam, wherein the high reflectance area(s) is (are) segmented in first and second directions both directions being substantially perpendicular with respect to each other so that the high reflectance areas comprise predominantly rectangular segments.

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European Search Report for EP 03077203, dated Jun. 24, 2004.
European Search Report for Application No. 01201956.8, dated Dec. 21, 2001.

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