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DESIGNED IN FEATURES FOR RAPID AND ACCURATE ROBOTIC PLACEMENT

IP.com Disclosure Number: IPCOM000009049D
Original Publication Date: 1999-Jan-01
Included in the Prior Art Database: 2002-Aug-05
Document File: 3 page(s) / 117K

Publishing Venue

Motorola

Abstract

With the advent of smaller, more ergonomic radios, unique parts are inevitably designed into the radios. Within the realm of unique parts, shields become odd shaped with irregular edges. This is done to accommodate unusual board geometries due to screw bosses, board interconnects, etc. To decrease the problems associated with EMI and RFI, these shields become larger. A shield was designed for an LMPS product that was beyond the robotic placement machine's capability, see Figure 1.

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Technical Developments

DESIGNED IN FEATURES FOR RAPID AND ACCURATE ROBOTIC PLACEMENT

THE PROBLEM to screw bosses, board interconnects, etc. To decrease the problems associated with EMI and RFI, With the advent of smaller, more ergonomic these shields become larger. A shield was designed radios, unique parts are inevitably designed into the for an LMPS product that was beyond the robotic radios. Within the realm of unique parts, shields placement machine's capability, see Figure 1. become odd shaped with irregular edges. This is
done to accommodate unusual board geometries due

Fig. 1 Isometric View

265 Janualv 1999

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MO7WROLA Technical Developments

THE CONSTRAINTS constraint, the solution!,must ensure that any fea- tures, edges, patterns, etc. are tightly specified in the The solution had four minimum objectives. manufacturing of the pa+. For the third constraint, the solution had to decrease cycle time. For the
1) The solution could not interfere with the EMI fourth constraint, it was imperative that the solution and RF1 constraints. was a cross platform (different "fine-pitch" machine types) solution.
2) The solution had to allow for accurate robotic placement of the part. THE SOLUTION

3) The solution had to allow for fast robotic placement of the part.

4) The solution had to work on multiple machine types.

  For the constraint, the concern was that any modifications to the part will not decrease its effec- tiveness. So in this case, an...