Browse Prior Art Database

MOLDED CARRIER RING COMPOUND SLEEVE

IP.com Disclosure Number: IPCOM000005842D
Original Publication Date: 1990-Mar-01
Included in the Prior Art Database: 2001-Nov-12
Document File: 3 page(s) / 101K

Publishing Venue

Motorola

Related People

Dean Corley: AUTHOR [+2]

Abstract

This idea is relevant to efficient material handling and shipping of the Molded Carrier Ring (MCR) integrated circuit package.

This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 76% of the total text.

Page 1 of 3

MOTOROLA Technical Developments Volume 10 March 1990

0 M

MOLDED CARRIER RING COMPOUND SLEEVE by Dean Corley and Les Hazletf

This idea is relevant to efficient material handling and shipping of the Molded Carrier Ring (MCR) integrated circuit package.

Objections for effective manufacturing and shipping of the Molded Carrier Ring package are:

1. Quality - Six Sigma visual/mechanical handling.

2. Manufacturing efficiency - equipment with 1-3 hour mean time between assists,

3 Packing Density - efficient packing, handling, and shipping densities.

4. Equipment through-put - equipment cycle rates allowing best-in-class equipment performance.

   The current methods and proposals for handling the MCR are using the "coin stack", single layer sleeve or trays. There are problems meeting the above objectives using these handling techniques. The matrix in Figure 1 show the advantages and disadvantages with the various handling options.

In summary, the compound sleeve (Figure 2, an expanded version of the single sleeve) is a superior method for handling the MCR during manufacturing and shipping of the MCR to customers.

0 Motorola, Inc. 1990 25

[This page contains 15 pictures or other non-text objects]

Page 2 of 3

EQUIPMENTRESEARCHANDDEVELOPMENT MOLDED CARRIER RING HANDLING OPTIONS

COIN STACK

TRAY COMPOUND

SLEEVE

GOOD PROTECTION GOOD PROTECTlON

SINGLE SLEEVE

CHARACTERlSllCS

PROTECTlON

GOOD PROTECTION

EQUIPMENT MTBA'S

PACKING DENSlTY

POOR PROTECTION - MCR'S CAN TIP CAUSING JAMS AND...