Lithium Tantalate Substrates - Heeger Materials

Data sheet

Materials	LiTaO3 Substrate

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Lithium Tantalate (LiTaO3) Substrates are essential materials with outstanding piezoelectric, pyroelectric, and nonlinear optical properties, making them ideal for a wide range of applications. These substrates are available in different grades, including Optical Grade Lithium Tantalate Substrates, Acoustic Grade lithium Tantalate Substrates, Blackened Lithium Tantalate Substrates, and Iron-Doped Lithium Tantalate Substrates (Fe-Doped LiTaO3). They are widely used in surface acoustic wave (SAW) devices, optical systems, and other advanced technology fields. Lithium Tantalate's unique properties, including high Curie temperature, chemical stability, and efficient piezoelectric behavior, make it suitable for various high-performance devices. Heeger Materials provides high-quality Lithium Tantalate Substrates, ensuring consistent results and reliability for your applications.

Lithium Tantalate Substrates | LiTaO3 Substrate

Optical Grade Lithium Tantalate Substrate Specifications

Material	LiTaO3 wafers（White or Black）
Curie Temp	603±2℃
Cutting Angle	X/Y/Z etc
Diameter/size	2”/3”/4” LT wafer
Tol(±)	<0.20 mm
Thickness	0.1 ~ 0.5mm or more
Primary Flat	16mm/22mm /32mm
TTV	<3µm
Warp	<40µm
Surface Type	Single Side Polished /Double Sides Polished
Polished side Ra	<0.5nm
Back Side Criteria	General is 0.2-0.5µm or as customized
Edge Criteria	R=0.2mm or Bullnose
Optical doped	Zn/MgO, etc
Wafer Surface Criteria	Contamination,	None
	Particles ￠>0.3 µ m	<= 30
	Scratch, Chipping	None
	Defect	No edge cracks, scratches, saw marks, stains

Acoustic Grade Lithium Tantalate Substrate Specifications

Material	LiTaO3 wafers（White or Black）
Curie Temp	603±2℃
Cutting Angle	X/Y/Z/X112Y/Y36/Y42/Y48/etc
Diameter/size	3”/4”/6" LT wafer
Tol(±)	<0.20 mm
Thickness	0.18 ~ 0.5mm or more
Primary Flat	22mm /32mm /42.5mm /57.5mm
LTV (5mmx5mm)	<1µm
TTV	<3µm
Bow	-30<bow<30
Warp	<40µm
PLTV(<0.5um)	≥95%(5mm*5mm)
Orientation Flat	All available
Surface Type	Single Side Polished /Double Sides Polished
Polished side Ra	<0.5nm
Back Side Criteria	General is 0.2-0.5µm or as customized
Edge Criteria	R=0.2mm or Bullnose
Wafer Surface Criteria	Transmissivity	general:5.9x10-11<s<2.0*10-10 at 25℃
	Contamination,	None
	Particles ￠>0.3 µ m	<= 30
	Scratch, Chipping	None
	Defect	No edge cracks, scratches, saw marks, stains

Blackened Lithium Tantalate Wafers Specifications

Material	LiTaO3 wafers（White or Black &Fe doped）
Curie Temp	603±2℃
Cutting Angle	X/Y/Z/X112Y/Y36/Y42/Y48/etc
Diameter/size	3”/4”/6" LT wafer
Tol(±)	<0.20 mm
Thickness	0.18 ~ 0.5mm or more
Primary Flat	22mm /32mm /42.5mm /57.5mm
LTV (5mmx5mm)	<1µm
TTV	<3µm
Bow	-30<bow<30
Warp	<40µm
PLTV(<0.5um)	≥95%(5mm*5mm)
Orientation Flat	All available
Surface Type	Single Side Polished /Double Sides Polished
Polished side Ra	<0.5nm
Back Side Criteria	General is 0.2-0.5µm or as customized
Edge Criteria	R=0.2mm or Bullnose
Fe doped	Fe doped for saw grade LN< wafers
Wafer Surface Criteria	Transmissivity	general:5.9x10-11<s<2.0*10-10 at 25℃
	Contamination,	None
	Particles ￠>0.3 µ m	<= 30
	Scratch, Chipping	None
	Defect	No edge cracks, scratches, saw marks, stains

Iron-Doped Lithium Tantalate Substrates Specifications

Material	LiTaO3 wafers（White or Black &Fe doped）
Curie Temp	603±2℃
Cutting Angle	X/Y/Z/X112Y/Y36/Y42/Y48/etc
Diameter/size	3”/4”/6" LT wafer
Tol(±)	<0.20 mm
Thickness	0.18 ~ 0.5mm or more
Primary Flat	22mm /32mm /42.5mm /57.5mm
LTV (5mmx5mm)	<1µm
TTV	<3µm
Bow	-30<bow<30
Warp	<40µm
PLTV(<0.5um)	≥95%(5mm*5mm)
Orientation Flat	All available
Surface Type	Single Side Polished /Double Sides Polished
Polished side Ra	<0.5nm
Back Side Criteria	General is 0.2-0.5µm or as customized
Edge Criteria	R=0.2mm or Bullnose
Fe doped	Fe doped for saw grade LN< wafers
Wafer Surface Criteria	Transmissivity	general:5.9x10-11<s<2.0*10-10 at 25℃
	Contamination,	None
	Particles ￠>0.3 µ m	<= 30
	Scratch, Chipping	None
	Defect	No edge cracks, scratches, saw marks, stains

Lithium Tantalate Substrate Applications

Optical Components: Used in high-end digital cameras for low-pass filters and holographic components in DVD pickup systems.
Telecommunications & Sensing: Applied in optical communications, optical switches, modulators, and gyro sensors for navigation systems.
Laser Technology: Enables wavelength conversion for blue and green laser generation using SHG techniques, essential for display, medical, and environmental applications.
Surface Acoustic Wave (SAW) Devices: Preferred for high-frequency SAW applications due to its high electromechanical coupling coefficient and low acoustic loss, with specific cuts like 36°Y, 42°Y, and X-cut.
Advanced SAW Applications: Blackened Lithium Tantalate wafers, produced through a reduction process, eliminate pyroelectric discharge, enhancing performance and reliability in high-frequency SAW devices.

Lithium Tantalate Substrate Packing And Shipping

Lithium Tantalate (LiTaO3) Substrates will be securely packaged in sturdy containers with cushioning materials to prevent movement or damage during shipping. This careful packaging ensures that the product arrives in perfect condition, maintaining its high-quality standards throughout the delivery process.

Where to Buy Lithium Tantalate (LiTaO3) Substrate in Bulk?

Heeger Materials Inc., a professional supplier and manufacturer of high-quality Single Crystal Substrates products including Lithium Tantalate (LiTaO3) Substrates, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.

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