97-520 datasheet(40/64 Pages) LSTD

40 / 64 page

FINGERSTOCK GASKETS AND METAL GROUNDING PRODUCTS

CUSTOM STAMPING—DRAWN CAN BOARD LEVEL SHIELDS

2.27

www.lairdtech.com

All dimensions shown are in inches (millimeters) unless otherwise specified.

Laird Technologies™ has added Drawn Cans to its extensive list of board

level shielding solutions. As microprocessor speeds continue to increase,

so does the potential for EMI leakage through the smallest apertures in

board level shields (BLS). Laird Technologies’ Drawn Cans are designed to

provide additional near field and far field circuit isolation (attenuation) at

higher frequencies by eliminating the apertures found in the corners of

traditional BLS solutions. Drawn cans utilize small ground trace sizes,

thereby preserving packaging space on the PC board.

• Solid corner designs when additional circuit isolation (attenuation)

is required at higher frequencies

• Available in heights up to 0.250" (6.350 mm) with length and width

dimensions from 0.300" (7.620 mm) to 2.000" (50.800 mm)

• Unlimited configurations of ventilation holes can be incorporated

into the design

• Tape and reel packaging provides an economical and automated

SMT attachment method

• Available in cold-rolled steel (CRS), brass, stainless steel, and

nickel silver

• Multi-compartmental shielding of components can be achieved

with formed partitions

• Mold-In-Place and Form-In-Place Elastomers can be combined

with drawn cans to achieve shielding of multiple components

with a single part

• Available with an EZ Peel scored lid feature; allows for easy

top section removal for component repair and re-sealing

Laird Technologies can custom design a shield specifically to meet your

requirements or we can utilize your approved design.

Notice: The data set forth in all text, tables, charts, graphs, and figures herein are based

on samples tested and are not guaranteed for all samples or applications. Such data are

intended as guides and do not reflect product specification for any specific part.

PRINTED CIRCUIT BOARD RADIATED TEST PER PDA-PRO-027 REV. A FOR

DRAWN CAN SHIELD W/SOLDER VENTS VS. STANDARD CAN SHIELD

The receive antenna test region from 1 GHz to 10 GHz that defines the

Far-Field and Near-Field is 2.0 inches and 0.190 inches, respectfully, from

the transmit antenna. This test is performed for worst case orientation.

Circuit Isolation is a measurement that defines the resultant attenuation

level in dB provided by a PCB shield from an initial reference level as defined

in Laird test procedure PDA-PRO-027.

LT-3034 Metals_catalog

10/8/04

10:31 AM

Page 2.27

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