WDC/Sandisk Corporation Message Board

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Technology Stocks : WDC/Sandisk Corporation

WDC 155.64

-2.7%

3:59 PM EST

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To: Rex Dwyer who wrote (4821)	2/20/1999 9:33:00 PM
From: David W. Tucker	Read Replies (1) of 60323

My understanding is that most of the royalties are based on more fundamental patents concerning broad flash memory concepts (in regards to semiconductor structure and control circuit aspects). The patents covering disk emulation are part of the gravy. As I recall, the Samsung suit was not over one of these disk emulation patents but was concerned with broader pioneering "flash memory" patents. Their coverage is very broad in the area of flash memory, but they also have very good patents on specific uses and environments (such as disk emulation). d

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