●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog.
2011.06.22 9307MPAVOL06E1106H2
PRECAUTIONS TO BE TAKEN WHEN USING MULTILAYER
PIEZOELECTRIC ACTUATORS
（Please
read these precautions before using our products）
1. Before using our products or designing a system using our products, read
the precautions and specifications
（such
as level of quality）for the products
you intend to use on the last page of this manual.
2. The main failures with multilayer piezoelectric actuators are deterioration of
insulation resistance, short-circuit, and open-circuit.
Before using the products, design systems carefully to ensure redundancy,
prevention of the spread of fire, and prevention of faulty operation allowing
for the occurrence of failures.
3. Use the products after checking the working conditions and rated performance
of each of the multilayer piezoelectric actuator series.
Selection of AE series
（a
resin-coated type）or ASB, ASL and AHB series
（a
metal-sealed type）should be based on the intended working temperature
and humidity.
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog.
2011.06.22 9307MPAVOL06E1106H2
CONTENTS
Resin coated type multilayer piezoelectric acutuators AE series ............................
Metal sealed type multilayer piezoelectric actuators .................................................
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog.
2011.06.22 9307MPAVOL06E1106H2
NEC TOKINʼs multilayer piezoelectric actuators are available in four series.
Resin-coated type
General-purpose
Metal case type
High-performance
General-purpose
85℃ rated
ASB series
150℃ rated
ASL series
High displacement
model
AHB series
85℃ rated
AE series
*AE series is resin-coated products. Therefore we recommend using metal case type, ASB,
ASL and AHB series in high humidity condition.
NEC TOKINʼs multilayer piezoelectric actuators are designed using unique
element structure technology and using ceramic materials with high
electrostrictive factors developed by NEC TOKIN.
*For detail information of piezoelectric ceramic material, please refer to a catalogue of
“Piezoelectric
ceramics”.
Features
□
Special ceramics developed by NEC TOKIN are used in piezoelectric ceramic elements.
□
As compared with conventional actuator elements, NEC TOKINʼs multilayer piezoelectric actuators have
advantages as follows.
■
Advantages over electromagnetic actuators
⃝
Faster response
⃝
High resolution for positioning
⃝
Large generated force
⃝
Low power consumption
⃝
No electromagnetic noise
■
Advantages over bimorph piezoelectric actuators
⃝
High energy conversion efficiency
（around
7 times the
energy conversion efficiency of the bimorph type
actuator） and low power consumption
,
⃝
Large generated force
⃝
Stable displacement, and reduced shift and creep phenomena
⃝
Response speed
（more
than 100 times the response
speed of the bimorph piezoelectric actuator）
■
Advantages over stacked piezoelectric actuators
⃝
Compact size
（less
than 1/10 the specific volume of
the stacked piezoelectric actuator）
⃝
Low drive voltage, and ease of use
⃝
Inexpensive
4 Multilayer Piezoelectric Actuators Vol.06
Insulator
Direction of displacement
Internal
electrode
External
electrode
Ceramic
Structure of NEC TOKINʼs Multilayer
Piezoelectric Actuato
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog.
2011.06.22 9307MPAVOL06E1106H2
Resin coated type multilayer piezoelectric actuators
AE Series
Outline
Multilayer piezoelectric actuators are ceramic elements
for converting electrical energy into mechanical energy
such as displacement or force by utilizing the
piezoelectric longitudinal effect.
NEC TOKIN's multilayer piezoelectric actuators are
produced based on our unique element structure
design and using originally developed piezoelectric
ceramic materials with high electrostrictive factors.
Compared to conventional piezoelectric actuators,
they are smaller in size but can generate higher
displacement and force at low voltages.
Especially, the resin-coated AE series actuators
feature compact size and wide variety in shape for
applications such as ultra-fine positioning mechanisms
and drive sources.
Features
⃝
Large generated force: 3,500 N/cm
2
（typ.）
⃝
High-speed response: Driving up to about 1/3 of self-
resonant frequency
（in
several ten kHz） possible.
is
⃝
Accurate positioning: Controllable in nm order.
⃝
Low power consumption: Can be retained at the
leakage current state
（100μA
or less）
.
⃝
Very small size: 1/10 or smaller than conventional
multilayer actuators
（specific
volume）
Applications
Auto focusing of cell phone camera, Image stabilization
of DSC, Positioning, Motors, Pumps, Valves, Vibration
Additional code optional） Example: H40＝Overall length is 40mm
（
D＝Thin coating type
Nominal displacement:
Indicated by two digits in micrometers
μm½
［
in succession to D
Example: D16＝16μm
Ceramic cross section:
Unit: Millimeters mm½
［
Example: 0505＝5 mm×5 mm
*Coating area is not include.
AE＝Resin-coated type
Series name:
Multilayer Piezoelectric Actuators Vol.06 5
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog.
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