Fused Silica & Quartz Products-YOFC | Smart Link Better Life

Fused Silica & Quartz Products

Applied to optics, semiconductors, solar power, display panel, optical communications illuminant and etc. Based on the independent technics of chemical deposition (CVD), QUARTECS produces high-quality synthetic fused silica by using materials of SiCl₄ silarne and etc., with various technics of purification and doping applied, QUARTECS Quartz's fused silica can meet the high-end requirements for industries, and provides products with excellent quality, performance, stability and customization.

Fused Silica & Quartz for Semiconductor

Item	Typical Model	Typical Size (mm)	Product Features
YS-1220	Fused Silica	Φ150x100	Synthetic fused silica and quartz ingot for Semiconductor, based on a variety of synthetic quartz prepara- tion processes, has excellent different and stable physical and chemical properties: · ppb level impurity content · Controllable hydroxyl content (0.5-1000ppm) It can fully meet the application needs of various processes in semiconductor, display panel and photovoltaic production
		Φ300x50
		400x400x50
YS-2230/YS-1230		500x500x60
YS-1240		Φ1000x30
YW-1804/1806/1808/1812	Fused Silica / Quartz Wafer	Φ150 ~ 300 Min Thickness：0.05
YSM-6025/YSM-6025R	Photomask Substrate	152.4x152.4x6.35
YR-1220 / YR-1230 / YR-1240	Fused Silica Rod	Φ2 ~ 200 Max Length：3000
YT-2220 / YT-2230	Fused Silica Tube	OD：15 ~ 450 WT：1.0 ~ 30 Max Length：2000

Typical lmpurities Content^①（ppm）

Item	Li	Na	K	Mg	Ca	Cu	Al	Cr	Fe	Ti	OH
YS-1320 / YS-1220	≤0.001	≤0.003	≤0.001	≤0.001	≤0.001	≤0.001	≤0.003	≤0.001	≤0.001	≤0.005	<1
YS-2330 / YS-2230	≤0.001	≤0.005	≤0.005	≤0.005	≤0.005	≤0.001	≤0.005	≤0.001	≤0.001	≤0.008	<250

①Test Method: ICP-MS

Fused Silica for Optical Fibre & Electric Light Source

Item	Typical Size (mm)	OH Content (ppm)	Relative Refractive Index	Metal Impurity Content (ppm)	Product Characteristics
YT-2120 / YT-2420	OD：Φ15 ~ 90 WT：1.0 ~ 30 Max Length：2000	≤ 1	—	≤ 0.05	QUARTECS synthetic quartz tube, based on synthetic quartz preparation process and "non-contact method" pipe drawing process, has excellent and stable physical and chemical properties and geometric indicators： · Excellent optical transmittance from deep ultraviolet to near infrared · Controllable hydroxyl content (0.02-200ppm) · Refractive index can be customized (deeply fluorinated) NA=0.22 It can meet the stringent application requirements of quartz glass in optical fibre prefabrication, light source, medical, industrial and other industries.
YT-2121 / YT-2421		≤ 1	-0.35% ~ 0
YT-2110 / YT-2410		≤ 0.1	—
YT-2130		50 ~ 300	—
YT-1121*	—	≤ 1	-1.1% ~ 0
YR-1120	Fused Silica Rod	≤ 1	—
YR-1140	Fused Silica Rod	>1（customizable）	—

Geometric specifications and accuracy (unit: mm)

Items	Substrate Tube	Small Jacket Tube	Large Jacket Tub
Outside Diameter(OD/mm)	15 - 40	40 - 60	60 - 90
Wall Thickness (WT/mm)	1.0 - 10	2 - 15	10 - 30
OD Tolerance(mm)	± 0.80	± 0.80	± 2.00
WT Tolerance(mm)	± 0.30	± 0.30	± 3.00
Ovality(mm)	≤ 0.15	≤ 0.40	≤ 0.40
Siding(mm)	≤ 0.15	≤ 0.45	≤ 0.45
CSA Deviation	≤ 6.0%	≤ 6.0%	≤ 6.0%
Bow(mm/m)	≤ 0.70	≤ 0.70	≤ 0.70
Length(mm)	≤ 2000	≤ 2000	≤ 2000

Fused Silica for Optic Application

Item	Typical Model	Maxi Size (mm)	OH Content (ppm)	Optical Uniformity (ppm)①	Stress Birefringenc (nm/cm)①	Fringe class③	Fluore- scence④	Bubble②	Impurities (ppb)	Product Characteristics
YS-1320	Fused Silica	Φ600	<1	≤ 5	≤ 5	5	Light Blue	0	≤ 100⑤	Synthetic quartz ingot for QUARTECS optics is based on a variety of synthetic quartz such as one-step method and two-part step method Preparation process, with excellent and stable physical and chemical properties: · Excellent optical transmittance from deep ultraviolet to near infrared · Excellent optical uniformity, stress and · heat absorption control · Controllable hydroxyl content (0.5-1000ppm) Micrometer bubble control can fully meet the needs of various optical applications such as precision optics and lasers.
YS-2330	500x500 900x900 1400x550	<250	≤ 5	≤ 5	5	/

Item

Typical Model

Maxi Size

(mm)

Content

(ppm)

Optical Uniformity (ppm)①

Stress Birefringenc (nm/cm)①

Fringe class③

Fluore- scence④

Bubble②

Impurities

(ppb)

Product Characteristics

YS-1320

Fused Silica

Φ600

≤ 5

Light Blue

≤ 100⑤

Synthetic quartz ingot for QUARTECS
optics is based on a variety of synthetic
quartz such as one-step method and
two-part step method
Preparation process, with excellent and
stable physical and chemical properties:
· Excellent optical transmittance from
deep ultraviolet to near infrared
· Excellent optical uniformity, stress and
· heat absorption control
· Controllable hydroxyl content
(0.5-1000ppm)
Micrometer bubble control can fully
meet the needs of various optical
applications such as precision optics
and lasers.

YS-2330

500x500

900x900

1400x550

<250

≤ 5

① For the light average and stress birefringence value, different grades of products can be provided according to demand

② Level 0 standard: the sum of the bubble cross section in every 100cm³ glass does not exceed 0.015mm², the maximum particle diameter meets 1/1*0.08

③ Stripe grade reference ISO-10110

④ Use 254nm pump lamp excitation

⑤ Standard value ≤100ppb, typical value ≤20ppb

Optical Uniformity

△n Uniformity Level (Unit: ppm)

Item	S^①	H2	H3	H5	H10
YS-1320	≤ 1	≤ 2	≤ 3	≤ 5	≤ 10
YS-2330	≤ 1	≤ 2	≤ 3	≤ 5	≤ 10

① S class can be customized according to demand
② Different light levels, corresponding to the corresponding size, detailed indicators can be confirmed with the YOFC

Optical Transmittance

Stress Birefringence

Thermal Absorption Coefficient

Item	Thermal Absorption Coefficient@1064nm(ppm/cm)
YS-1320	<1
YS-2330	<3

Refractive Index^①

Line wavelength（nm）	Refractive Index		Line wavelength（nm）	Refractive Index
Line wavelength（nm）	YS-2330	YS-1320	Line wavelength（nm）	YS-2330	YS-1320
194.2	1.55907	1.55903	632.8	1.45716	1.45711
365	1.47467	1.47462	643.8	1.45685	1.45679
404.6	1.46976	1.46970	656.3	1.45651	1.45646
435.8	1.46683	1.46678	706.5	1.45529	1.45523
479.9	1.46364	1.46359	852.1	1.45261	1.45256
486.1	1.46326	1.46322	1013.98	1.45039	1.45034
546.1	1.46022	1.46016	1529.6	1.44442	1.44436
587.6	1.45860	1.45855	1970.1	1.43873	1.43867
589.3	1.45854	1.45849	2325.4	1.43303	1.43297

①Test conditions: 20.0℃, 1atm atmospheric pressure, humidity 50.0%

Sellmeier Dispersion Constant of Sellmeier Equation

Item	B1	C1	B2	C2	B3	C3	B4	C4
YS-2330	0.124307	0.006456	0.823954	0.006473	0.156097	0.017157	0.673277	74.923787
YS-1320	0.112372	0.006311	0.811965	0.006294	0.179903	0.016600	0.697481	77.351514

Sellmeier Equation：n²-1=B₁λ²/(λ²-C₁)+B₂λ²/(λ²-C₂)+B₃λ²/(λ²-C₃)+B₄λ²/(λ²-C₄)，λ in μm

Fused Silica - Other Indicators

Mechanical Properties

Item	Unit	Typical Data
Density	g/cm³	2.20
Mohs Hardness	-	7
Young's Modulus	GPa	74.20
Modulus of Rigidity	GPa	31.22
Poisson's Ratio	-	0.17
Compressive Strength	GPa	0.113
Tensile Strength	MPa	49
Bending Strength	MPa	94.3

Electrical Properties

Item	Unit	Data
Dielectric Constant (20°C, 500MHz)	-	3.90
Electrical Resistivity (20°C)	Ω·cm	0.1*10¹⁸
Dielectric Loss Angle (tanδ, 500MHz)	-	< 0.001
Electrical Resistance	Ω	8.0*10¹⁵

Hermal Properties

Item	Unit	YS-1320	YS-2330
Strain Point (η=10^14.5dPa·s)	°C	1070	1000
Annealing Point (η=10¹³dPa·s)	°C	1200	1160
Softening Point (η=10^7.6dPa·s)	°C	1680	1620

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