发明名称 Mil.dot reticle and method for producing the same
摘要 A reticle incorporates an optical center and a plurality of measuring points. The measuring points are formed by a primary vertical line, a primary horizontal line intersecting the primary vertical line at the optical center, a plurality of dots intersecting the primary lines and evenly spaced at a predetermined distance along the primary lines, a plurality of secondary lines intersecting one of the primary lines and evenly spaced between the dots therein. The secondary lines are shorter than 0.2 mil. Alternatively, the reticle further incorporates at least one post on at least one end of the primary lines with post hash marks thereon. Each the intersecting lines forms one of the plurality of measuring points.
申请公布号 US6729062(B2) 申请公布日期 2004.05.04
申请号 US20030347372 申请日期 2003.01.21
申请人 THOMAS RICHARD L.;THOMAS CHRIS 发明人 THOMAS RICHARD L.;THOMAS CHRIS
分类号 F41G1/38;G02B27/32;(IPC1-7):F41G1/00 主分类号 F41G1/38
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