QUANTUM Message Board - Msg: 2747756

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Technology Stocks : QUANTUM

QNTM 7.450

+3.0%

Dec 31 3:59 PM EST

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To: Gus who wrote (5041)	11/17/1997 2:09:00 PM
From: Chuck Bleakney	Read Replies (1) of 9124

<< A linear format like DLT currently has an advantage in durability because the heads are basically stationary (or have limited movement as in the case of the DLT 7000). It remains to be seen, however, if QNTM can maintain that same durability advantage as they increase tape speed over the next few years. >> It should have no problem with this... Durability is somewhat relative to speed, but more related to the number of contacts between head and media. Since the helical scan head spins, then when the tape stops or reverses direction the head makes many contacts with the same area of tape in a short period. This is the mechanism that wears out the tape quicker. The only solution is protective coatings that wear longer. Any advance on that front is available to both technologies so the relative performance remains similar. Tape speed is more likely to stretch the tape if not handled correctly. This is a design problem and is dependant on design tradeoffs, and a good design will not stretch the tape. Chuck

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