Molded ferrite sheet, sintered ferrite substrate and antenna...

Details Molded ferrite sheet, sintered ferrite substrate and antenna... Molded ferrite sheet, sintered ferrite substrate and antenna...

2011-03-22

2011-03-22

Lam, Cathy (Department: 1784)

Stock material or miscellaneous articles

Composite

Of polyamidoester

C428S842300, C252S062600, C252S062620

Reexamination Certificate

active

07910214

ABSTRACT:
The present invention relates to a molded ferrite sheet having opposing surfaces and a thickness in a range of 30 μm to 430 μm, at least one surface of said opposing surfaces having the following surface roughness characteristics (a) to (c):(a) a center line average roughness is in a range of 170 nm to 800 nm,(b) a maximum height is in a range of 3 μm to 10 μm, and(c) an area occupancy rate of cross-sectional area taken along a horizontal plane at a depth of 50% of the maximum height in a square of side 100 μm is in a range of 10 to 80%.

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European Search Report in EP 08 25 0768 dated Jul. 8, 2010.

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