Browse Prior Art Database

Holographic Manufacturing Apparatus

IP.com Disclosure Number: IPCOM000091542D
Original Publication Date: 1968-Mar-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 41K

Publishing Venue

IBM

Related People

Harris, TJ: AUTHOR [+2]

Abstract

Holography is employed in forming patterns on an object as described in IBM Technical Disclosure Bulletin, Volume 10, Pg. 1114. The apparatus shown accomplishes the formation of three-dimensional patterns on a three-dimensional object using holographic techniques.

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Holographic Manufacturing Apparatus

Holography is employed in forming patterns on an object as described in IBM Technical Disclosure Bulletin, Volume 10, Pg. 1114. The apparatus shown accomplishes the formation of three-dimensional patterns on a three-dimensional object using holographic techniques.

One application of these techniques involves the forming of continuous turns 2 around toroidal core 1. To make the hologram, toroid model 3 is positioned within cone-shaped mirror 4. Laser beam 5 is incident on beam splitter 6. Part of beam 7 is deflected downwardly and is incident on all faces of model 3 as in C. Light 8, reflected from all faces of model 3, passes through splitter 6 and illuminates photographic plate 9 as the signal beam. The other part 10 of beam 5 passes through splitter 6 to mirror 11 for reflection to plate 9 as the reference beam. The reference and signal beam 5 interfere and generate a three- dimensional hologram of model 3.

After processing, plate 9 is inserted as hologram 12 in its original position. The core to be exposed is first coated with copper or other conductor and then coated with a photoresist. Core 1 is placed within mirror 4 in the exact position of the object toroid when the hologram is made. Hologram 12 is illuminated by laser beam 13 which deflects the reference beam. The conductive turns on the original model are projected on the photoresist coated on core 1. After exposure, core 1 is etched so that continuous conductive turn...