| 摘要 |
PCT No. PCT/US93/07207 Sec. 371 Date Feb. 24, 1994 Sec. 102(e) Date Feb. 24, 1994 PCT Filed Jul. 30, 1993 PCT Pub. No. WO94/06268 PCT Pub. Date Mar. 17, 1994A shield assembly for installation on a portion of a printed circuit board is presented. The shield (16) assembly includes shield mounted on the component mounting side of the printed circuit board and has a plurality of support projections (30) inserted through apertures of the printed circuit board to the conductor side where they are mechanically secured and electrically connected to a reference potential. A first shield cover (22) is mounted to the shield at a peripheral edge distal of the printed circuit board. A second shield cover (34) is disposed at the conductor side of the printed circuit board. The second shield cover (34) is provided with two pluralities of protrusions (32, 42). The first plurality of protrusions (32) extends through apertures in the printed circuit board to engage the body of the shield. The second plurality of protrusions (42) engages respective support projections (30) of the shield.
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