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| United States Patent |
6,429,401
|
|
Corral
|
August 6, 2002
|
Apparatus for verification of assembled printed circuit boards
Abstract
An overlay device for verifying the correct placement of assembled
components on a printed circuit board. The overlay device has cutouts to
assist users to more precisely verify the correct placement of components
with or without leads. Some overlay embodiments have writing, printing,
engraving, and etching to assist a user in identifying which product the
overlay is to be used with, what point in the assembly the overlay is to
be used, and the correct orientation and spacing for the components.
| Inventors:
|
Corral; Abimael (Austin, TX)
|
| Assignee:
|
Cad-Tech, Inc. (Austin, TX)
|
| Appl. No.:
|
970454 |
| Filed:
|
October 3, 2001 |
| Current U.S. Class: |
219/121.6; 219/121.67; 219/121.68; 219/121.7; 428/131 |
| Intern'l Class: |
B23K 026/00 |
| Field of Search: |
428/131
219/121.6,121.67,121.68,212.7
|
References Cited
U.S. Patent Documents
| 4760265 | Jul., 1988 | Yoshida et al. | 250/492.
|
| 5617990 | Apr., 1997 | Thompson, Sr. | 228/180.
|
| 5958628 | Sep., 1999 | Balz et al. | 430/5.
|
Primary Examiner: Elve; M. Alexandra
Attorney, Agent or Firm: Calico; H. Lisa
Thompson & Knight LLP
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