Zibo Yuhai Electronic Ceramic Co., Ltd.
Address : No.57 Chuangye Road, Development Area Boshan, Zibo City, Shandong Prov. P.R. of China
Tel : +86-0533-4230012
Fax : +86-0533-4231700
Email : sales@zbyuhai.com

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Piezoelectric disc-CUSTOMS

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Product Description

Parameters

Yuhai company can produce PZT piezoelectric discs with the following :

Sizes from 3mm up to 180mm

Thickness from 0.2mm up to 25mm

Choice of metallisation (Silver, Nickel, Gold and others on request)

Wide choice of PZT formulations

quick delivery

PZT material PZT-5 is belong to "SOFT PZT", SOFT PZT characters is following:

Typical soft PZT characteristics include:

Wide range of frequencies in transmit and receive (sub-audible, audible, ultrasonic)
High output, low drive material
High frequency, fast response time
High sensitivity for active or passive use
Ability to use with low voltage or high voltage drive circuits
Good mechanical and acoustic coupling
Wide variety of shapes and sizes that can be customized to meet specific requirements and applications
Wide variety of compositions that can be selected to meet specific requirements and applications
Quality of each Piezo disk is ensured by a rigorous testing regimen. Characteristics such as frequency, capacitance, dissipation, coupling, d33 and mechanical properties are measured and verified against our / customer provided specifications.

Typical soft PZT applications include:

· .    Undersea exploration (sonar, beacons, imaging, current meters)
·         Aerospace (gyroscopes, accelerometers, level sensing)
·         Medical products (Doppler blood flow, oncology therapeutics (high intensity focused ultrasound), imaging, level sensing, intra-operative tools for ophthalmology (phacoemulsification), dental descaling, general surgery, tissue ablation, medication delivery, hearing enhancement, bubble detection)
·         Consumer products (ultrasonic toothbrushes, jewellery cleaners, contact lens cleaners, computer hard drives, touch screen displays, integrated, ultra-thin speakers and cosmetic enhancement)
·         Industrial and Commercial (flow and level sensors, ultrasonic cleaning, ultrasonic welding, intrusion alarms, fabric needle positioning, solder dispensing, machine vibration monitoring, bubble detection, sonochemistry for improved chemical mixing)
·         Telecommunications (optical switching of telecom lines, buzzers and alarms, Haptics feedback, mobile phone cameras)
·         Automotive (power seat controls, reversing/collision avoidance sensors, anti-knock sensors)
·         Scientific research (nano positioning stages and analytical tools, scanning probe microscopy, advanced acoustics)
·         Oil Exploration (flow and level sensors, down hole drill tool monitoring)

PZT piezoelectric materials datasheet :

"Soft" PZT materials
Properties			PSnN-5	PLiS-51	PZT-51	PZT-52	PZT-53	PZT-5H	PZT-5X
Dielectric Constant	ɛTr3		1600	2000	2200	2400	2600	3200	4500

Coupling factor	KP		0.6	0.62	0.62	0.63	0.64	0.68	0.7
	K31		0.35	0.35	0.35	0.35	0.36	0.38	0.4
	K33		0.68	0.7	0.68	0.7	0.7	0.76	0.77
	Kt		0.5	0.52	0.5	0.5	0.5	0.52	0.53
Piezoelectric coefficient	d31	10-12m/v	-170	-197	-186	-204	-227	-275	-300
	d33	10-12m/v	400	450	500	520	550	620	750
	g31	10-3vm/n	-12	-11.1	-9.6	-9.8	-9.9	-9.7	-7.5
	g33	10-3vm/n	28	25.4	25.6	24.5	23.9	22	18.8
Frequency coefficients	Np		2000	1920	1980	1980	1960	1900	1960
	N1		1466	1407	1451	1451	1437	1393	1437
	N3		1825	1925	1900	1900	1755	1550	1800
	Nt		2100	2100	2150	2150	2150	2100	2200
Elastic compliance coefficient	Se11	10-12m2/n	16.6	18	16.7	17	17.4	18	19
Machanical quality factor	Qm		85	80	80	75	75	70	65

Dielectric loss factor	Tg δ	%	2	2	2	2	2	2	2
Density	ρ	g/cm3	7.5	7.5	7.6	7.6	7.6	7.5	7.5
Curie Temperature	Tc	°C	350	345	270	270	270	230	165
Young's modulus	YE11	<109N/m2	60	56	60	59	57.5	56	53
Poison Ratio			0.36	0.36	0.36	0.36	0.36	0.36	0.39