IMPX - When Will the Dead Money Awaken? Message Board

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Technology Stocks : IMPX - When Will the Dead Money Awaken?

IMPX 6.210

+13.3%

Oct 22 3:59 PM EST

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To: lml who wrote (231)	3/14/1998 9:32:00 AM
From: sandstuff	Read Replies (2) of 532

Electroluminescent (EL) lamps are used for backlighting LCD displays. The EL lamp is mounted directly behind the LCD display. A driver chip is needed to provide the correct voltage to the lamp. EL lamps are basically constructed of a clear top layer insulator, a clear top layer conductor, a bottom conductor, and bottom insulator. Sandwiched in between the top and bottom conducting layers is phosphorus. The phosphorus will luminate or glow when a voltage is applied. The driver chip converts the battery voltage (ie 1v in the case of a watch or pager) into, typically, a 300 Hz, 120 Vpp supply used to excite the phosphorus. Since the EL material acts as a lossy capacitor, the actual current drawn is very small. MetroMark www.metromark.com is a supplier of EL. Supervisor Chip is a fancy name for a chip that usually resets the processor if something goes wrong. Monitoring battery or supply voltage is the most common application. The total market for supervisor circuits is huge since most new microprocessor designs use one. My guess is that IMPX will take advantage of their unique processes and offer better cost/performance than what is currently on the market for both families.

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