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What are Drawn EMI/RFI Shields?

At higher frequencies the preference of EMI/RFI engineers turn to more Hermetically Sealed Shields. Drawn EMI/RFI Shields provide a seamless protective cage.
These shields are fabricated as drawn frames with drawn snap on covers. In contrast to bent frames & covers, which can be manufactured in single units by manual process, these shields must be tooled.

Masach™ Drawn EMI | RFI Shields Features & Benefits:

Seamless Protective Cage
for higher shielding effectiveness
Optimal Planarity for higher yield on reflow soldering
Solid Construction to resist dents and warps
Two-piece Shield Design enables to repair components without removing the shield, saving time and reducing repair damage

Why to use Standard EMI shields?

Standard PCB mounted EMI | RFI shields are used by engineers that are aware of a possible interference during the board design phase. Ordering a standard product saves the interaction with the mechanical engineer, the design of the shield and the production of prototypes for evaluation. These advantages are translated into the relatively low price of the standard shield and can be delivered in a very short time.

Masach™ offers a comprehensive and constantly updated library of Standard Drawn EMI/RFI Shields. The library is organized according to the shield’s size and style. Every item has a data-sheet that specifies the scale and the method used for assembly. Complimentary CAD files are available for download @ each product page for immediate implementation.

When do I need shields with removable cover?

Two-piece shields enable easy access to shielded areas of the PCB. These shields are required when a shielded component needs to be accessed.

Which raw materials are used?

Masach™ stock materials include various brass and steel alloys, which are the most economical and popular solution for shielding, yet other conductive materials could be ordered according to client's demand. See also our Tinplate Standard Steel

Should I leave the customized shield design to Masach or do it myself?

Masach™ offers engineering and design as part of its services. Our vast expertise in this field has led us to design RF shields for major telecom companies and manufacturers. It is entirely up to you if you want us to design the shield from scratch or assist in the designing process.

What do I need to prepare in order to receive a quote?

All Masach™ standard drawn EMI | RF shields are available for purchasing online. If you are looking for a specific EMI shield, a simple sketch with the dimensions of the product will suffice. Alternatively you may supply an electronic file displaying the board and the PCB layout of the shield.

Can I receive the shields packed for automatic assembly?

Masach™ standard drawn EMI | RF shields are all SMD compatible, packed in SMD packing trays. For customized EMI shields You may order samples that support automatic mounting, and with an additional charge, we will supply them on pick and place trays. Large volume orders are supplied by default on trays, yet if required, we can offer tape and reel service.

Can you use the same production method for larger runs?

The breakpoint between manually bent shields to automated tooling is dependent on the shield's complexity. A standard shield will reach the breakpoint at around 5000 pcs.

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