Method for aligning any interconnected HDI plates
The invention discloses a method for aligning any interconnected HDI plates, which comprises the following steps of (1) laminating: laminating a substrate, and drilling three L targets and four plate angle CCD positioning target holes by adopting a mode that an X-Ray machine sees a target drill at t...
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| creator | WEI ZHENGUANG ZOU JINLONG CHEN ZHIXIN |
| description | The invention discloses a method for aligning any interconnected HDI plates, which comprises the following steps of (1) laminating: laminating a substrate, and drilling three L targets and four plate angle CCD positioning target holes by adopting a mode that an X-Ray machine sees a target drill at the center after laminating, (2) laser processing: pre-positioning by using CCD positioning target holes at four plate corners, firstly burning concave targets at the four plate corners by laser, then grabbing target spots in the concave targets, automatically stretching a laser drilling belt for laser drilling, and burning LDI convex targets by laser at the same time, (3) circuit LDI exposure: during pattern transfer of a layer-adding manufacturing circuit, enabling an LDI machine to grab a convex target to perform automatic coefficient alignment exposure, and meanwhile, manufacturing an alignment target required by next layer adding at a specified position of a plate corner, and so on. The method is simple and eas |
| format | Patent |
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| subjects | CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS |
| title | Method for aligning any interconnected HDI plates |
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