Electromagnetic induction heating device and image recording device

respect

to fixed

substrate.

points

of reference

Each beam thereby

a relatively moveable

force induced movable

upon

the

has a fixed end and axial

free end. Compressive

by axial movement,

inner

and

A controllable

due to a high aspect ratio profile of each The

amount

movement

occurs

of lateral

transversely

or

large in relation

to the applied

which

causes

perpendicular

amplifier

force/movement

stages,

applied

movement

pairs

an input

to the movable

of a first beam generates

these

a transverse

as

axial

free end

motion

ot

of that beam.

2001

Inventors: M.T.A.

MacDonald

Saif, N.C.

Applicant: Honeywell

International

This

array

of

polymer

generally

sheets

predetermined

device

bonded

dielectric

films

includes

of electric

the

electrodes,

forces are generated

near the point is smallest. displacement electrostatic

forces.

the plurality

of sheets forms

of unit

most

is disposed

the

members

change

in the medium

generares

resistance

member

about

according

for the bundle

optical

the

fibres,

remove

dust and moisture

remains

in the finished

controllable The

outer

A device

be used

as a

device in

equipment,

such as

Applicant:

A device includes

2001

scanner

a barcode

for scanning substrate.

The

a micro-machined a detector,

mirror,

mounted

is

scanner

side

embodiment,

a laser

on a single

layers

are configured

activation

is caused

substrates.

Lenses

a laser beam deflected

the micro-machined

mirror.

also

without

a barcode

The scanner

by rotating

using

by may

an actuator

detecting

200 1

Applicant: Lucent

preformed

This

provide between

into a

predetermined

by

displacement

.mu.m individual to about

or into

flaps

mechanical

to bias

the pairs, or the sheets may form curved

portions

preferably

corrugations

each other.

an

applied

between from

thick

to

provide

1 .mu.m

to about

rhe cells preferably

displacement

of from about

100

of optical plurality

have an

mounted welded

Patent number: US 6184608

Magnetorheological integrated flywheel

W.R. Herb

brake with

transferred optical

USA

A magnetorheological

includes

an outer,

having

a hollow

provides

member

array-type

rotating

flywheel

interior

space,

cc3

brake member

and

by a welded

or brazed

an

Smart Materials Bulletin

inner

fixed

port

adapted of

may

fibres. be

By

out of the housing fibres.

The device

into

pins

housing.

A pair

of windows

and a left side frame. absorb

sensory

micro-

heated

of

effectively

suppressing

generation

of the

for the Two

200 1

reduces

induction

in a favourable

the

device.

including

E. Higuchi

construction,

outside signals

it is

collision

Applicant: Fugi Xerox Co., Ltd, Japan

a plurality

housing

of

Electromagnetic induction heating device and image recording device

has a simple

of the

of a

collision.

Publication date; 27 February Inventors: Y. Urushiyama,

of

rigidity

Accordingly,

impact

and partial

The electromagnetic

in the

an

can be

for a form

in any form of collision

via another

protruding

microelectromechanical

the

to the foregoing,

by the device for adjusting

fibres and may be

has

control

the

means,

array-type

electrical

ports for optical

with this

transmitted

via one of the optical

by a

in which

than that of the

appropriate

Patent number: US 6193303

a plurality

for interacting

optical

to a value

flange.

of the housing

flange and includes

Due

overall collision

is

signal of

and left side frames

of the

device

operation

of the frame

is predicted.

to

the

sensor. The actuator

of the frame greater

appropriately

of a plurality

microelectromechanical

electromechanical

Applicant: Lord Corporation,

possible

of ports

in another

housing

right

in one

information

2001

Inventors: C. Cabuz, R.D. Horning,

A bundle

packaged a housing

is mounted

of elements

Publication date: 6 February

a

device having

of ports.

or brazed

plurality

Inc., USA to

fibres

An array-type

5 .mu.m

200 .mu.m.

relates

microelectromechanical with a plurality

a

the pairs. The sheets are

about

and

load

Technologies

invention

for

into

to an output

in a portion

collision

opposite

sensor

inputted

for controlling

according

of a

deformation

force

is arranged

At least one of every pair of the sheets may be

working

of a frame has

detection

force detection

adjusted

pairs of actuators

force

of rhe right

such

a control

a force in a direction

the external

rigidity

detector

Further,

deformation

an external

periphery by

of the

or facilitating

deformation

Inventors: M. Stern, C. Ray

operation

to a form of collision

for generating

an external

is

of the right and left

sensor.

device for controlling

in the

device

device

of a collision

as an acceleration

of the actuator

the laser diode.

13 February

rigidity

frame, and a controller

a micro-

Patent number: US 6186399 Publication date:

a stack of layers of

of a right

The control

for controlling

by an output

diode as well as expand

mirror

of a car body

of a car. The

according

frames

judged

of restricting

machined

Kabushiki

rigidity

to the side frames.

frame,

of the

Kogyo

rigidity

direction

has a controller

Packaged microelectromechanical devices and systems

such that bi-directional

for controlling

longitudinal

Inc., USA

or several connected

scan

Giken

a device for adjusting

can be used to focus a laser beam from the laser

the sheets

2001

side frame and a left side frame extending

on a common

but in the

of leaks.

Honda

potential

intensely

assembly Helium

Japan

device for adjusting

and

during

Device for controlling rigidity and deformation of car body

Applicant: Symbol

diode,

the

Inuentor: K.S. Bhalla

attached

may include

and

gas is used to

assembly.

Publication date: 13 February

Kaisha,

and vehicles.

Technologies,

of

array-type

Patent number: US 6188814

by the field

may

pressurised

gas enables detection

rheology

of the

The

Scanner and mirror with shape memory alloy hinges

formed

the

to

or resistance-generating

An integrated

of the plurality

windows,

member

member.

rotating

sealed enclosure

or brazed

a hermetically

inert

produced

inner

provides

device,

to rotation

the

housing

microelectromechanical

the

to the invention

The

conduits.

on the outer

space.

flanges.

inert gas are

by welded

in

fixed

and

in the

pressurised

in the housing

is mounted

a field acting

in the working

rotating

of magnetically

for providing

mounted

substrate

generation

In a preferred

cells. The

to

for each cell permit

of fluid during

of the

fixed

conduits

with the

whereby

where the gap between

Inlets and outlets

and

on the sheets

array of unit cells. A source

electrostatic

a

in

conductive

associated

connects

a

flexible

together

of electrodes

operably

ro

the

Inventor: J.D. Carlson

to form an array of unit

are deposited

form a plurality

wall medium

space is

Patent number: US 6186290

thin

cells on at least one layer. Thin

of

Publication date: 13 February

Inc., USA

parallel

pattern

inner

medium

conveyors,

Polymer microactuator array with macroscopic force and displacement microactuator

space

exercise equipment,

Publication date: 6 February

surfaces

particles

generate

flywheel/brake

Patent number: US 6183097

plurality

interior

and

space. The inner

space. A field generator

selectably

axial force or axial

the

metal

working the

is relatively

it. By arranging

in cooperating

micromotion

permeable

transverse

of a beam due to buckling

movement

arrays

the

member

or buckle.

buckling

between

member.

deform

beams

provide

interior

is sized so that a working

to the

in-plane beam.

in the hollow

fixed member

end of a beam, will cause that beam to Buckling

applied

disposed

an

electromagnetic heats the object

heating

device

holds an objecr heating

condition

the irregularities object

energy induction

to be while

of heat

to be heated, consumption. heating

to be heated

and The

device which

provided

with

at

May 2001

least

an

electromagnetic

generating of magnetic manner

material that

induction be

it

in

exciting

which

the

magnetic

field

electromagnetic A movable relative

which

which

to the

which

is capable

object

the intensity

of the fluctuation

penetrates

the

heat generating

least

portion

Furthermore, constructed

an

image that

heating

object

to be heated

device

is disposed

recording the

device

that forms

etching.

and

integrated accelerometer

core.

capacitive

device

is

an

control

to the

having

active

anti-lock

systems

that

S.r.I., Italy has a stator

which

has a circular

extension

arms. These

arms support

electrodes

is

then

grown.

components are

substrate

and beneath

removed,

is excavated another sacrificial mobile

The

the rotor region structures

extending

direction

circuitry

the

sacrificial

an

aperture

substrate. and

USA, Kionix,

or

for

micro-mirror

micro-mirror

is

is useful in

such as in biaxial scanner

or

systems.

Publication date: 13 March R.W.

200 1

McClelland,

N.M.

Rensing,

PM. Zavracky

N.C.

assemblies

released

mirror

are dried

assemblies

and the dried

of separated

mirror

Patent number: US 6200882

of discrete

from a single silicon

wafer. The basic

structure

of the micromechanical

accelerometer

is etched

in the wafer to form a released portion

mounted

assemblies,

which

tape to produce

assemblies.

200 1

Torsional micromechanical system

mirror

A torsional

micromechanical

a mirror

mirror

mirror

structure

rotation a

Technical developments Industry trends

news

industries

Features Technical articles on

Research Trends mirror

rotatably

support

assembly

over and within

of the mirror

includes

a support layer.

system supported for

The latest research results published

in

the key journals

a cavity in

is sized sufficiently

reflecrive

is coplanar

In Brief Breaking

projects and developments

USA

assembly

movement

assembly

supporting

News Business activities

Corporation,

University,

unimpeded

month

around the world

MicroOptical

Northeastern

rotational

Next

Related

K.J. Jackson

a base. The cavity

provided

mirror

Publication date: 13 March

by a torsional

is

are

Inventors: J.D. Drake, J.H. Jerman,

includes

accelerometer

mirror

to produce

The

from the mounting

Applicant:

ulletin

are diced or scribed to produce

the

Inc.,

mirror

assemblies

tape

assemblies.

and

to produce

dried

mirror

the

Foundation

assemblies

The washed

and finally

of the

entails

to an acid release

to produce

to

release

together

method

assemblies

a mounting

assemblies

are separated

for processing formed

mirror

assemblies.

assemblies

of

Inc., USA

The

a plurality

B. Vigna

Smart Materials Bulletin

are

Patent number: US 6201629

and

Davis,

a method

the released mirror

a plurality

2001

capacitive

rinsing

mirror

Inc., USA

A micromechanical

T.J.

one

the remainder

Research

etch to produce

is

Microelectromechanical accelerometer for automotive applications Applicant: Cornell

assembly

and the base. A process

M.B. Spitzer, ED. Aquilino,

assemblies

the mirror

mirror

Patent number: US 6198145 Inventors: I? Ferrari,

mirror

200 1

wafer.

onto

layer

from

a silicon

mounted

chip. Publication date: 6 March

accuracy

actuator the

assemblies

torsional

applications

Inventors:

Technology,

of mirror

mounted

extending

separare

is removed

video display

accelerometers

extreme

presents

of

region

The epitaxial

and the stator,

from

regions

a portion

from

washed

layer

electronic

conductive

a plurality

exposing

and

An epiraxial

subsequently

to define

with radial

is to form a sacrificial

substrate.

forming the entire

and a

The first stage in

and the biasing

formed,

through

circumferential

process

various

drive

spaced across the gap between

The torsional

other

Method for processing a plurality micromachined mirror assemblies This invenrion

on a silicon

electrodes

active

and

a magnetic to

MacDonald

Applicant: Seagate

region

control,

braking

Galvin,

Applicant: STMicroelectronics,

with one another.

provide

assembly

on the mirror

provided.

Publication date: 13 March G.J.

to push

can be used for airbag

to out of plane forces.

Inventors:

microactuator

the

operative

torsional

assembly.

actuator

rhe

Patent number: US 6 199874

2001

which

Other

mirror

means, support

provided

assembly.

An

of the mirror

embodiment, is

metal.

the torsional

mirror

motion

assembly

at the downstream device.

of the torsional

causes rotational

mirror

to apply a driving

By this

the mirror

resistance

heating

be

drive

assembly.

fabricating

require

sensitivity,

may

is operative

to torsionally

In another

torsional

at least one torsion

of an electroplated

assembly

assembly

is provided

includes

The micromechanical

and fixing unit or a pressure of the

may also

from

formed

motion is

the accelerometer

suspension

control,

high

although

accelerometer

wafer

is formed.

deployment,

support

electronics

acceleromerer

steering

for

VLSI

spring

force

in the

as the base. The

assembly

actuator

step

circuitry

on the same

to at

a The

reactive-ion

The accelerometer

signal-conditioning

formed,

form

all etching

a signal-conditioned

Manufacturing a semiconductor material integrated microactuator

the manufacturing

embodiment,

is

Inventor: R. Maeyama

interleaved

etch

magnetic

corresponds

induction

in a substantially

using

on the same wafer from which

is provided

Publication date: 27 February

rotor

etched the first

so as to

electromagnetic

to

accelerometer.

wafer

support

with metal

the basic structure,

preferred

reactive-ion

wherein

Patent number: US 6195525

The integrated

sufficient

is preferably

comprise

are coated

capacitive

for ar least

in another

the

magnetic

body which

electromagnetic

process

electromagneric

the

such

carrying

the

layer.

layer is provided

of

image

etching

of moving

to be heated

induction

induction

penetrates

conditions

substrate

a fluctuation

heat generating

under

to

same

and the released and remaining

of the substrate

an

and

around

generates

induction core

a

manner,

in the substrate, portions

micromechanical

layer of the object

is wound

and

in such a

electromagnetic

opposed

which

core

heat

core made

is disposed

faces

an

coil

magnetic

field

a magnetic

heat generating

heated

change

induction

layer includes

to allow

assembly.

The

structure

for

The

with and formed

Patents Recently published US and WO patents

support from the

May 2001