High-NA EUV Mass Production Milestone Lifts Bar for Synthetic Quartz Photomask Substrates
2026-07-17
1. Industry Milestone: High-NA EUV Enters Mass production
On July 15, 2026, Intel Foundry became the first manufacturer to ship high-volume logic chips made with ASML’s High-NA EUV technology on its 18A process node. As High-NA systems shift from R&D to mass manufacturing, synthetic quartz photomask substrates face sharply higher performance requirements. For sub-2nm nodes, mask blank material properties directly determine patterning accuracy, overlay precision and final wafer yield.
Kirchhoff-type and rigorous 3D mask modeling: EUV
2. Tougher Requirements for High-NA Mask Substrates
Compared with standard 0.33NA EUV tools, High-NA systems deliver ~70% higher resolution, while imposing far stricter demands on mask blanks:
• Ultra-low CTE: Higher EUV energy density amplifies thermal stress. Near-zero thermal expansion is critical to avoid pattern shift and overlay errors.
• Atomic-level surface precision: Extreme flatness and optical homogeneity are required to prevent critical dimension deviation and imaging degradation.
• Near-zero internal defects: Sub-micron inclusions or bubbles transfer directly to wafers as fatal flaws, making zero-defect quality mandatory.
3. High-NA Ready 6.6-Inch Photomask Quartz Substrates
Nantong Jingcai Precision offers 6.6-inch synthetic quartz photomask substrates built for High-NA specifications:
• High-purity synthetic fused silica base, ultra-low CTE, >99% transmittance across DUV/EUV bands
• Full-surface flatness within 1μm, with tight control of surface roughness and internal stress
• Multi-stage inspection minimizes internal bubbles and inclusions for reliable pattern transfer
• SEMI-compliant, fully compatible with mainstream mask scanners worldwide
With integrated upstream supply chains, we also support custom specifications for R&D and pilot lines. For technical consultation or sample evaluation, contact our overseas team: javier.lu@ztt.cn
View More
High-Precision 200mm Semiconductor Processing: The Strategic Value of Customized Consumable PQ Quartz
2026-06-24
.gtr-container-semicon-prod-1a2b3c {
font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif;
color: #333;
line-height: 1.6;
padding: 20px;
max-width: 100%;
box-sizing: border-box;
}
.gtr-container-semicon-prod-1a2b3c p {
text-align: left !important;
font-size: 14px;
margin-bottom: 1em;
}
.gtr-container-semicon-prod-1a2b3c .gtr-title {
font-size: 18px;
font-weight: bold;
color: #0000FF;
margin-bottom: 1.5em;
text-align: center;
}
.gtr-container-semicon-prod-1a2b3c .gtr-section-title {
font-size: 16px;
font-weight: bold;
color: #0000FF;
margin-top: 2em;
margin-bottom: 1em;
border-bottom: 1px solid #eee;
padding-bottom: 0.5em;
}
.gtr-container-semicon-prod-1a2b3c ul {
list-style: none !important;
padding-left: 20px;
margin-bottom: 1em;
}
.gtr-container-semicon-prod-1a2b3c ul li {
position: relative;
padding-left: 1.5em;
margin-bottom: 0.5em;
font-size: 14px;
list-style: none !important;
}
.gtr-container-semicon-prod-1a2b3c ul li::before {
content: "•" !important;
position: absolute !important;
left: 0 !important;
color: #0000FF;
font-weight: bold;
font-size: 1.2em;
line-height: 1;
}
.gtr-container-semicon-prod-1a2b3c .gtr-faq-item {
margin-bottom: 1.5em;
}
.gtr-container-semicon-prod-1a2b3c .gtr-faq-question {
font-weight: bold;
color: #0000FF;
margin-bottom: 0.5em;
font-size: 14px;
}
.gtr-container-semicon-prod-1a2b3c .gtr-faq-answer {
font-size: 14px;
padding-left: 1em;
border-left: 2px solid #eee;
}
.gtr-container-semicon-prod-1a2b3c .gtr-parameters-list {
margin-top: 1.5em;
margin-bottom: 1.5em;
border: 1px solid #eee;
padding: 15px;
border-radius: 5px;
}
.gtr-container-semicon-prod-1a2b3c .gtr-param-item {
display: flex;
flex-direction: column;
margin-bottom: 0.8em;
font-size: 14px;
}
.gtr-container-semicon-prod-1a2b3c .gtr-param-key {
font-weight: bold;
color: #555;
margin-bottom: 0.2em;
}
.gtr-container-semicon-prod-1a2b3c .gtr-param-value {
flex-grow: 1;
}
.gtr-container-semicon-prod-1a2b3c .gtr-contact-info {
margin-top: 2em;
padding: 15px;
border: 1px solid #0000FF;
border-radius: 5px;
text-align: center;
}
.gtr-container-semicon-prod-1a2b3c .gtr-contact-info p {
margin-bottom: 0.5em;
}
.gtr-container-semicon-prod-1a2b3c .gtr-contact-info strong {
color: #0000FF;
}
@media (min-width: 768px) {
.gtr-container-semicon-prod-1a2b3c {
padding: 40px;
max-width: 960px;
margin: 0 auto;
}
.gtr-container-semicon-prod-1a2b3c .gtr-title {
font-size: 24px;
}
.gtr-container-semicon-prod-1a2b3c .gtr-section-title {
font-size: 20px;
}
.gtr-container-semicon-prod-1a2b3c .gtr-param-item {
flex-direction: row;
align-items: baseline;
}
.gtr-container-semicon-prod-1a2b3c .gtr-param-key {
flex-basis: 200px;
margin-bottom: 0;
}
}
High-Precision 200mm Semiconductor Processing: The Strategic Value of Customized Consumable PQ Quartz
I. Summary
In modern semiconductor manufacturing, optimizing wafer uniformity and minimizing yield-destroying contamination during ultra-precise plasma dry etching remains a continuous operational challenge. Deploying a high-purity Customized Consumable PQ Quartz component, such as the 200mm (6-inch) Quartz HOT Edge Ring EXELAN, provides sub-micron precision alongside reliable thermal-mechanical stabilization inside vacuum process chambers. Engineered directly from premium Pacific Quartz (PQ) raw materials, these specialized consumables act as both structural shields and sacrificial barriers against severe fluorine- or chlorine-based plasma erosion. By deploying these exact-tolerance quartz products, chip fabricators can achieve exceptionally uniform plasma density distribution across the entire surface of the wafer, securing a robust boundary against processing defects.
II. What
From a technical standpoint, a Customized Consumable PQ Quartz part—specifically exemplified by the 200mm Quartz HOT Edge Ring EXELAN (Model: ETCH-009)—is a highly specialized, ultra-high-purity vitreous silica structural component manufactured to strict physical and dimensional tolerances. Physically configured with a precise geometric profile of Φ228.55 × Φ196.53 × 2.54T mm and engineered to an exacting structural tolerance of ±0.01mm across all critical axes, this component is deployed directly within dry plasma etching and Chemical Vapor Deposition (CVD) equipment.
The underlying material science relies heavily on high-purity natural quartz raw material sourced from Pacific Quartz (PQ), processed via electric-fusion or flame-fusion methods. This production methodology ensures an incredibly low concentration of hydroxyl groups (OH) and metallic impurities, yielding a material capable of maintaining its structural, optical, and chemical integrity under extreme physical stress.
Mechanically, the component features customized surface treatments, such as controlled mechanical grinding or precision sandblasting, to modify surface roughness ($R_a$). This surface texturing is designed to optimize the adhesion of secondary polymer byproducts formed during aggressive fluorocarbon etching cycles, effectively eliminating the risk of micro-particle flaking or shedding. With high thermal stability and an exceptionally low coefficient of thermal expansion ($approx 5.5 times 10^{-7}/^circtext{C}$), the component resists thermal shock while withstanding strong Radio Frequency (RF) fields without altering the spatial equilibrium of the plasma sheath.
III. Why
During advanced dry plasma etching operations, fabs face a major operational bottleneck: the rapid erosion of chamber consumables, which alters the electrical characteristics of the RF field at the wafer boundary. This degradation distorts the plasma sheath, causing a pronounced "edge roll-off" effect where the etching depth and critical dimension (CD) profile at the perimeter of the wafer deviate significantly from the center. Fabricators require a high-performing Customized Consumable PQ Quartz solution to solve this specific process vulnerability.
Exceptional Plasma Uniformity Control: The edge ring matches the dielectric constant of the silicon wafer, seamlessly extending the plasma sheath across the wafer's physical edge. This eliminates electrical discontinuities and ensures uniform trench depth and vertical profiles across the entire wafer surface from center to edge.
Superior Contamination and Defect Mitigation: Sourced from premium Pacific Quartz materials, this component maintains an extremely low trace-metal matrix. It is subjected to deep Class 100 chemical cleaning to ensure it remains completely free of trace particulate contamination, shielding sensitive chip architectures from killer defects.
Optimal Thermal and Mechanical Shielding: Operating adjacent to High-Temperature Electrostatic Chucks (HTD ESC), the quartz component acts as a durable thermal barrier. It shields underlying assembly components from direct reactive ion bombardment and corrosive process gases, extending the service life of permanent chamber parts.
Outstanding Resistance to Plasma Erosion: The flame-fused and electric-fused silica structures provide excellent resistance against chemical breakdown from reactive fluorine ($F^*$) and chlorine ($Cl^*$) radicals. This high durability reduces the frequency of preventative maintenance (PM) cycles, minimizing costly tool downtime and consumption costs.
IV. How
In actual semiconductor fabrication environments, such as a 200mm dry plasma etching bay running an EXELAN chamber configuration, a Customized Consumable PQ Quartz ring is installed directly around the substrate support matrix. During active processing, the tool delivers multi-kilowatt RF power into a low-pressure vacuum environment containing gases like $CF_4$, $CHF_3$, or $SF_6$, igniting a dense, chemically reactive ion plasma. The quartz hot edge ring sits at the core of this environment, handling a continuous flux of high-energy ions while maintaining strict dimensional stability.
To demonstrate the specialized engineering behind these components, the technical parameters of the 200mm Quartz HOT Edge Ring EXELAN include:
Component Model: ETCH-009
Geometric Dimensions: Outer Ø 228.55mm, Inner Ø 196.53mm, Thickness 2.54mm
Dimensional Tolerance: ±0.01mm (across all critical geometric axes)
Raw Material: Premium Pacific Quartz (PQ), alternatives from GE or FLH available
Surface Conditioning: Advanced mechanical precision grinding, quantized sandblasting
Primary Application: Semiconductor plasma dry etching
Cleanliness Standard: Class 100 deep chemical cleaning and multi-stage acid etching
Production Capacity: Exceeding 3,000 pieces per month
The production workflow managed by Nantong Jingcai Precision Co., Ltd. spans from raw material processing through to final verification. Utilizing high-performance CNC grinding machines, the natural quartz blank is machined down to the final design dimensions while keeping subsurface micro-cracks to an absolute minimum.
Following fabrication, the components are processed through a multi-stage cleanroom sequence featuring automated Class 100 chemical etching and ultra-pure water rinsing. Quality control teams verify each part using Coordinate Measuring Machines (CMM), digital micro-imaging systems, and specialized optical stress gauges to ensure absolute compliance with the customer's engineering schematics. This thorough process delivers a clean, trace-particle-free consumable that integrates seamlessly into vacuum process chambers.
V. FAQ
Question 1: What is the primary role of a customized high-purity PQ quartz ring in plasma etching?
Answer: It stabilizes the plasma sheath right at the wafer boundary, ensuring uniform ion bombardment across the wafer surface while acting as a sacrificial barrier that shields permanent chamber components from corrosive chemical erosion.
Question 2: Why is Pacific Quartz (PQ) material chosen for these 200mm semiconductor consumables?
Answer: Pacific Quartz raw material delivers high chemical purity, minimal trace element contamination, and robust thermal-mechanical stability under intense RF fields, making it excellent for high-standard semiconductor processing.
Question 3: What specific structural tolerances can your quartz production facilities achieve?
Answer: Utilizing our precision CNC machining and advanced grinding workflows, our standard products regularly hit tight tolerances of ±0.01mm, ensuring a perfect drop-in fit and seamless compatibility inside mainstream 200mm process tools.
Question 4: How does the Class 100 chemical cleaning process safeguard manufacturing yields?
Answer: The multi-stage cleanroom acid etch eliminates loose particles and metallic residues from the quartz surface, preventing the consumable from causing secondary particulate contamination inside the reaction chamber, thereby avoiding wafer defects.
Question 5: Can you fabricate custom quartz components using other international raw material brands?
Answer: Yes, we can. Beyond our strategic supply of Pacific Quartz (PQ) materials, we regularly source and machine high-purity materials from brands like Momentive (GE), Heraeus (HSQ), TOSOH, Corning, and QSIL based on client blueprints.
Question 6: What is the standard production lead time and minimum order quantity for these edge rings?
Answer: Our standard minimum order quantity (MOQ) is 50 pieces (negotiable based on design complexity). Utilizing our export logistics channels via Shanghai Port, the typical mass production turn-around time is 30 to 45 days from print approval.
VI. Conclusion
In summary, leveraging a high-purity Customized Consumable PQ Quartz solution is vital for maintaining process uniformity, preventing particle defects, and extending tool runtimes during demanding 200mm plasma dry etching cycles. By pairing premium Pacific Quartz material with precision CNC grinding (down to ±0.01mm), Nantong Jingcai Precision Co., Ltd. provides fabricators with durable, reliable consumables tailored for modern manufacturing lines. Our integrated production—from initial material sourcing to final Class 100 cleanroom packaging—ensures each part integrates seamlessly into your tools without particle risks.
Take Action to Optimize Your Process Yields: We welcome inquiries from global business partners. Contact our engineering advisory team today at javier.lu@ztt.cn or via phone/WeChat at +86-18964035085 to submit your technical drawings. We will provide a fast commercial quotation within 1–2 business days and offer a professional technical assessment tailored to your customized production tool requirements.
View More
What are the Main Materials of Etch Rings?
2026-05-19
In semiconductor manufacturing, etch rings (more commonly referred to as focus rings or edge rings) are consumable components that surround the silicon wafer inside a plasma etching chamber. Their primary job is to physically protect the electrostatic chuck (ESC) and electrically shape the plasma sheath to ensure uniform etching right up to the very edge of the wafer.
Because they are directly exposed to aggressive, high-energy plasma, they must be made of high-purity materials that resist chemical corrosion and physical sputtering. The most common materials used include:
1. High-Purity Quartz (SiO₂)
Historically the most common material, ultra-high-purity quartz (99.99%+ silica) is widely used in fabs due to its clean properties and cost-effectiveness.
Best Used For: Silicon etching and applications where minimizing trace metal contamination is critical.
Pros: Extremely pure, low thermal expansion, and lower upfront material cost.
Cons: Erodes relatively quickly when exposed to aggressive fluorine-based plasmas (CF₄, SF₆, NF₃). As it wears down, the altered ring geometry causes "edge drift," forcing frequent tool shutdowns for replacements.
2. Silicon Carbide (SiC)
Silicon Carbide—specifically manufactured via Chemical Vapor Deposition (CVD SiC) or high-grade sintering—has rapidly become the mainstream choice for advanced, high-power nodes.
Best Used For: High-aspect-ratio (HAR) etching, such as 3D NAND staircase etching and FinFET/GAA fabrication.
Pros: Exceptional hardness and wear resistance. It erodes orders of magnitude slower than quartz in fluorine and chlorine plasmas, significantly extending its lifetime and lowering the tool's Total Cost of Ownership (TCO). It also boasts high thermal conductivity, keeping wafer edge temperatures stable.
Cons: High initial manufacturing and material costs (often 3x to 5x the price of quartz).
3. Single-Crystal (Monocrystalline) or Polycrystalline Silicon (Si)
Using high-purity silicon ensures that the focus ring behaves exactly like an extension of the wafer itself.
Best Used For: Oxide (SiO₂) etching processes.
Pros: Since the ring matches the chemical composition of a standard wafer, any minor material sputtered or etched off the ring introduces absolutely zero foreign elemental contamination into the chamber.
Cons: Like quartz, it behaves as a consumable that degrades over time under specific chemistries, requiring routine scheduled replacements.
4. Advanced Ceramics & Coatings
For niche or highly corrosive environments, specialized ceramics are deployed:Alumina (AI₂O₃): Provides high mechanical strength and good dielectric performance, though it can shed particles if severely bombarded.Yttrium Oxide (Y₂O₃ / Yttria): Often used as a highly plasma-resistant coating over ceramic or metal ring bases to combat aggressive halogen plasmas.Silicon Nitride (Si₃N₄): Chosen for specific thermal shock resistance and mechanical stiffness requirements.
Material Selection Summary
View More
Precision Beyond Limits: Why the 6.6-Inch Synthetic Quartz Photomask is the New Gold Standard for Global Foundries
2026-04-29
.gtr-container-k9x2y7 {
font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif;
color: #333;
line-height: 1.6;
padding: 15px;
max-width: 100%;
box-sizing: border-box;
overflow-wrap: break-word;
word-break: normal;
}
.gtr-container-k9x2y7__title-main {
font-size: 18px;
font-weight: bold;
color: #0000FF;
margin-bottom: 20px;
text-align: left;
}
.gtr-container-k9x2y7__title-section {
font-size: 16px;
font-weight: bold;
color: #0000FF;
margin-top: 25px;
margin-bottom: 15px;
text-align: left;
}
.gtr-container-k9x2y7 p {
font-size: 14px;
margin-bottom: 15px;
text-align: left !important;
line-height: 1.6;
}
.gtr-container-k9x2y7 ul {
margin: 0 0 15px 0;
padding: 0;
list-style: none !important;
}
.gtr-container-k9x2y7 ul li {
list-style: none !important;
position: relative;
padding-left: 25px;
margin-bottom: 8px;
font-size: 14px;
text-align: left;
}
.gtr-container-k9x2y7 ul li::before {
content: "•" !important;
position: absolute !important;
left: 0 !important;
color: #0000FF;
font-size: 1.2em;
line-height: 1.6;
top: 0;
}
.gtr-container-k9x2y7 hr {
border: none;
border-top: 1px solid #eee;
margin: 30px 0;
}
.gtr-container-k9x2y7__table-wrapper {
width: 100%;
overflow-x: auto;
margin-bottom: 20px;
}
.gtr-container-k9x2y7 table {
width: 100%;
border-collapse: collapse !important;
border-spacing: 0 !important;
margin-bottom: 0;
min-width: 400px;
}
.gtr-container-k9x2y7 th,
.gtr-container-k9x2y7 td {
border: 1px solid #ccc !important;
padding: 10px 15px !important;
text-align: left !important;
vertical-align: top !important;
font-size: 14px;
word-break: normal;
overflow-wrap: normal;
}
.gtr-container-k9x2y7 th {
font-weight: bold !important;
background-color: #f0f0f0;
color: #333;
}
.gtr-container-k9x2y7 tr:nth-child(even) {
background-color: #f9f9f9;
}
@media (min-width: 768px) {
.gtr-container-k9x2y7 {
padding: 25px 30px;
max-width: 960px;
margin: 0 auto;
}
.gtr-container-k9x2y7__title-main {
font-size: 22px;
margin-bottom: 30px;
}
.gtr-container-k9x2y7__title-section {
font-size: 18px;
margin-top: 35px;
margin-bottom: 20px;
}
.gtr-container-k9x2y7__table-wrapper {
overflow-x: hidden;
}
.gtr-container-k9x2y7 table {
min-width: auto;
}
}
Precision Beyond Limits: Why the 6.6-Inch Synthetic Quartz Photomask is the New Gold Standard for Global Foundries
In the rapidly evolving landscape of semiconductor manufacturing, the quest for higher circuit density and smaller process nodes never ceases. As foundries in the United States, South Korea, and Japan push the boundaries of nano-scale physics, the role of the photomask substrate has become more critical than ever. Specifically, the 6.6-inch Synthetic Quartz Photomask has emerged as the cornerstone for high-precision lithography.
1. The Foundation of Nano-Scale Accuracy
Why is this specific substrate gaining such traction among Tier-1 manufacturers and specialized research labs alike? The answer lies in the intrinsic properties of synthetic quartz—a material engineered to withstand the extreme demands of Deep UV (DUV) light sources while maintaining near-perfect structural integrity.
Ultra-Low Thermal Expansion: During high-volume production with intense exposure cycles, even microscopic thermal fluctuations can cause pattern shifts. Synthetic quartz ensures absolute stability in pattern overlay accuracy, preventing costly wafer defects.
Superior Optical Clarity: Optimized for i-line, KrF, and ArF lithography, our substrates offer Deep UV (DUV) transmission rates typically exceeding 99%, ensuring crisp and accurate pattern transfer without stray light interference.
Zero-Defect Quality: High-purity synthetic silica minimizes internal inclusions and bubbles, which is paramount for maximizing wafer yields in advanced nodes.
2. Strategic Regional Insights: Meeting Global Demand
North America: Driving AI and Automotive Chip Resurgence
In North America, with the resurgence of domestic manufacturing, there is a surging demand for substrates capable of withstanding long exposure cycles. Our 6.6-inch quartz plates provide the extreme durability required for the production of AI accelerators and high-performance power semiconductors.
Asia-Pacific (Japan, Korea, SE Asia): The Hub of Mass Production
As world leaders in memory and advanced logic chips, clients in Japan and South Korea demand uncompromising flatness (TIR). Our products strictly adhere to SEMI standards, ensuring seamless integration with mainstream scanners. Meanwhile, we support the transition of Southeast Asian facilities (e.g., Vietnam, Malaysia) from back-end assembly to front-end manufacturing.
Australia: Leading in Photonics and Quantum Research
In the specialized sectors of quantum computing and specialized sensors, the high transmission of synthetic quartz is key to achieving precise experimental data.
3. Core Technical Specifications
Conclusion: Empowering Next-Gen Lithography with High-Purity Optical Solutions
As the semiconductor industry pushes toward smaller nodes, the margin for error has virtually disappeared. A photomask is only as reliable as the substrate it is built upon. For manufacturers in high-tech hubs from Silicon Valley to Seoul and Tokyo, our 6.6-inch substrates are the preferred choice for balancing durability with extreme optical clarity.
Ready to Optimize Your Wafer Yield?
Don't let substrate impurities or thermal instability become the bottleneck in your lithography process. Our engineering team is ready to provide detailed technical data sheets and specialized volume pricing for your specific project needs.
View More
