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Technology Stocks : Disk Drive Sector Discussion Forum -- Ignore unavailable to you. Want to Upgrade?

To: Z Analyzer who wrote (5817)	3/12/1999 10:22:00 AM
From: Toko	Respond to of 9256

Hey Z, <I believe I was once told that GMR vs MR did not increase the need for TSA. Am I incorrect?> Yes and No. GMR-MR difference is in the wafer process and has no bearing on the decision to go away from wires in the assembly process. However, some HDD makers like Maxtor, WD, and Samsung will make the transition to pico size slider and TSA at the same time they transition to GMR transducer. Some people like to bunch up their challenges. Others- IBM, Quantum, and the laptop makers went earlier to TSA and already have volume experience, in Quantum's case since when they were still using nano size sliders. Three Cheers for the upswing in stock prices, may we all have a bullish month. -TOKO

To: Z Analyzer who wrote (5817)	3/12/1999 2:33:00 PM
From: La Traguhs	Read Replies (2) \| Respond to of 9256

Z, I thought I responded to your question <<I believe I was once told that GMR vs MR did not increase the need for TSA. Am I incorrect? >> but can't seem to find the posting here. I saw Toko's response which is in part correct, but I think the driver for TSA is its controlled impedance characteristics which makes the interface between heads (whichever kind you use)and channel ICs more predictable and offers higher bandwidth. GMR yields faster data rates off the media and in turn requires the higher bandwidth interface offered by TSA. This is important when you use the GMR heads in the high spindle speed (10K and higher) enterprise drives. Regards, LT