| 摘要 |
<p>1,258,008. Making semi-conductor devices; jointing by stamping; spinning. WESTING- HOUSE ELECTRIC CORP. 9 April, 1969 [10 April, 1968], No. 18130/69. Headings B3A, B3J and B3Q. [Also in Division H1] The spring loaded contacts of a semiconductor device are assembled in the jig shown in Fig. 3. The active elements of the device, contacts and springs are stacked within the upstanding peripheral wall 24 of a threaded header and the header seated on recessed member 82. This is then pushed upwards until a flange on hollow plunger 86 engages ledge 92 on the striking plate 94 at which point the lower faces of peripherally spaced striking tools 98 and plunger 86 lie in the same plane. Movement is continued until the requisite loading is applied to the spring at 90 whereupon the staking tools are pneumatically driven through slots in the plunger to punch dimples in wall 24 to retain the spring with the desired loading. If the device is found to be unsatisfactory when tested it can be dismantled using the tool shown in Fig. 8 mounted in a jig as in Fig. 3. In this case as the device is pressed upwards plunger 302 moves downwards relative thereto thus rocking pivoted members 316 so that their lower ends move outwards to flatten the dimples. After re-assembly new dimples may be formed between the original. The staking tools of Fig. 3 can be replaced by a rotatable roll forming tool (Fig. 11, not shown) which is pressed against the wall as the device is rotated on its axis to form a peripheral protrusion on the inner surface of the wall.</p> |
