发明名称 |
Molding diffractive optical elements |
摘要 |
A method of fabricating a diffractive optical element includes the steps of: etching a negative of a desired multi-level diffraction pattern onto a molding surface of a quartz master element using photolithography, assembling the master element as a portion of a mold, and injecting a plastic molding composition into the mold and against the molding surface of the master element to injection mold a diffractive optical element, whereby the optical element has the desired diffraction pattern on its surface. The diffraction pattern is preferably formed on the quartz master using VLSI photolithography.
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申请公布号 |
US6021106(A) |
申请公布日期 |
2000.02.01 |
申请号 |
US19980095135 |
申请日期 |
1998.06.10 |
申请人 |
DIGITAL OPTICS CORPORATION |
发明人 |
WELCH, WILLIAM H;TE KOLSTE, ROBERT D.;FELDMAN, MICHAEL R. |
分类号 |
B29C33/30;B29C45/00;B29C45/37;B29D11/00;G02B5/18;G02B27/02;(IPC1-7):G11B7/00 |
主分类号 |
B29C33/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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