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Technology Stocks : Lucent Technologies (LU)
LU 2.630-0.6%Dec 9 3:59 PM EST
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To: KYA27 who wrote (7606)4/29/1999 10:03:00 AM
From: KYA27  Read Replies (3) of 21876
 
Lucent scientists claim to have miniaturized
some of the essential components of a
phone small enough for users to wear on
their wrists.

Portable wireless devices that double as
voice-activated telephones have been on
the horizon for years. They haven't
materialized because key components
have resisted miniaturization.

Finally, at a physics symposium over the
weekend, Lucent Technologies' engineers
claimed to have made breakthroughs in
shrinking key parts of a wireless
telephone that can be strapped to your
wrist.

Lucent engineers displayed a tiny
microphone on a silicon chip at a Bell Labs
symposium in Murray Hill, New Jersey.

A new manufacturing technique, known
as silicon micromachining, created the
microscopic microphone, which is shaped
like a pyramid and measures a fraction of
a millimeter.

The researchers said they are also close
to creating a single-chip radio. The
scientists have manufactured a tiny Radio
Frequency (RF) filter, which they said is
the single largest component of wireless
devices like cell phones.

The researchers' Web page describes a
conventional ceramic RF filter and a new
micromachined miniature version.

The researchers have also created
microscopic versions of other
components, including a capacitor and a
frequency-tuning device.
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