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HomeMaterials By SICProbe Card - Probe Test (3825-PC)

Probe Card - Probe Test (3825-PC)

 
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Probe Card - Probe Test (3825-PC)
A probe card is an interface between an electronic test system and a semiconductor wafer. Typically the probe card is mechanically docked to a prober and electrically connected to a tester. Its purpose is to provide an electrical path between the test system and the circuits on the wafer, thereby permitting the testing and validation of the circuits at the wafer level, usually before they are diced and packaged. It consists, normally, of a printed circuit board (PCB) and some form of contact elements, usually metallic, but possibly of other materials as well. A semiconductor manufacturer will typically require a new probe card for each new device wafer and for device shrinks (when the manufacture reduces the size of the device but keep the functions the same) because the probe card is effectively a custom connector that takes the universal pattern of a given tester and translates the signals to connect to electrical pads on the wafer. For testing of DRAM and FLASH memory devices these pads are typically made of aluminum and are 40-90 um per side. Other devices may have flat pads, or raised bumps or pillars made of copper, copper alloys or many types of solders such as lead-tin, tin-silver and others. The probe card must make good electrical contact to these pads or bumps during the testing of the device. When the testing of the device is complete, the prober will index the wafer to the next device to be tested. Probe cards are broadly classified into needle type, vertical type, and MEMS type depending on shape and forms of contact elements. MEMS type is the most advanced technology currently available. The most advanced type of probe card currently can test an entire 12 wafer with one touchdown. Professional Plastics offers a full-range of materials used in probe test equipment including; Polyimide Micro Tubing used to insulate tungsten wires, as well as, Macor®, Vespel® & meldin® used for test heads.

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(PVDF EXT SHT-ROD) PVDF - Extruded Rods & Plates
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(SUMIKA SUPER) Sumika Super S1000 - New !!
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(MELDIN 7001) Meldin® 7001 Polyimide (Unfilled)
Meldin® 7001 Polyimide (Unfilled)
 
(TORLON4203) Torlon® 4203
Torlon® 4203
 
(TEFLON SHEET/ROD-VG) PTFE Sheets & Rods (Virgin Grade)
PTFE Sheets & Rods (Virgin Grade)
 
(LDPE) LDPE - Low Density Polyethylene
LDPE - Low Density Polyethylene
 
(PEEK - Virgin) PEEK - VIRGIN Grade - Sheets & Rods
PEEK - VIRGIN Grade - Sheets & Rods
     
 

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