CVD Process Chamber Solution – Applied Materials 0021-34728 Blocker | HHVB82 Series
The Applied Materials 0021-34728 Blocker (cross-reference: HHVB82 / 715-21274-008) is a precision-engineered chamber component designed for use in Applied Materials CVD and PVD deposition systems. This blocker plate controls gas flow distribution and shields critical chamber surfaces during thin-film deposition processes, directly impacting film uniformity and chamber longevity.
Where This Product Is Used
- Semiconductor Wafer Fabrication (Fab) — Installed in Applied Materials CVD/PVD process chambers for 200 mm and 300 mm wafer production lines.
- Thin-Film Deposition Systems — Used in PECVD, LPCVD, and physical vapor deposition chambers where precise gas flow control is critical.
- Display Panel Manufacturing — Applied in flat-panel display (FPD) deposition equipment requiring high-uniformity coating.
- Solar Cell Production — Deployed in photovoltaic thin-film deposition lines using Applied Materials platforms.
- Advanced Packaging & MEMS — Supports deposition steps in advanced IC packaging and MEMS device fabrication.
Technical Specifications
- Part Number: 0021-34728
- Cross-Reference / Alternate PN: HHVB82 | 715-21274-008
- Component Type: Blocker Plate (Chamber Interior Component)
- OEM Brand: Applied Materials (AMAT)
- Compatible Systems: Applied Materials CVD / PVD Process Chambers
- Material: High-purity aluminum alloy / anodized surface (OEM specification)
- Weight: Approx. 800 g
- Condition: New OEM-equivalent / Refurbished available upon request
- Lead Time: In-stock — ships within 1–3 business days
Why Engineers Specify This Model
- OEM-Matched Geometry — Dimensional tolerances match Applied Materials factory specifications, ensuring drop-in replacement without chamber re-qualification downtime.
- Process Uniformity — Precision-machined gas distribution geometry maintains film thickness uniformity (±1–2%) across the wafer surface.
- Extended Chamber Life — Acts as a sacrificial shield, protecting susceptors and chamber walls from deposition buildup and reducing wet-clean frequency.
- Validated Cross-References — PN 0021-34728 is confirmed equivalent to HHVB82 and 715-21274-008, eliminating procurement ambiguity.
- Rapid Availability — Stocked globally to minimize unplanned downtime (UPD) impact on fab throughput.
Complete System Bill of Materials
This blocker is typically sourced alongside the following Applied Materials chamber consumables:
- Susceptor / Heater Assembly (Applied Materials CVD)
- Showerhead / Gas Distribution Plate
- Shadow Ring / Edge Ring
- Liner / Chamber Shield
- Purge Tube & Baffle Assembly
- O-Ring Kit (Chamber Seal Set)
Contact us for bundle pricing on complete PM (Preventive Maintenance) kits.
Compliance & Industry Standards
- Manufactured to SEMI S2 environmental, health & safety guidelines for semiconductor equipment.
- Compatible with SEMI F47 voltage sag immunity requirements for fab equipment.
- Traceable documentation available for ISO 9001 quality management compliance.
- RoHS-compliant materials upon request.
Quality Assurance & Sourcing
- Inspection: Each unit undergoes dimensional verification and surface inspection prior to shipment.
- Traceability: Lot traceability records and CoC (Certificate of Conformance) available on request.
- Sourcing: Procured through authorized distribution channels and verified OEM surplus networks.
- Packaging: Anti-static, cleanroom-compatible packaging (Class 100 / ISO 5 compatible).
How to Source This Part
- Click Add to Cart or use the Request a Quote form for volume pricing.
- Provide your fab name, chamber model, and required quantity for expedited processing.
- Our team will confirm lead time, issue a proforma invoice, and arrange DDP/DAP shipping to your facility.
- For urgent AOG (Aircraft on Ground / fab emergency) orders, contact us directly via WhatsApp or email for same-day response.
Application-Specific FAQ
Q: Is 0021-34728 compatible with both 200 mm and 300 mm Applied Materials chambers?
A: Compatibility depends on the specific chamber model. Please share your chamber part number or system model (e.g., Centura, Producer) and we will confirm fitment before shipment.
Q: What is the difference between 0021-34728, HHVB82, and 715-21274-008?
A: These are cross-reference part numbers for the same component used across different Applied Materials documentation revisions and procurement systems. All three refer to the same blocker assembly.
Q: Do you offer refurbished or reconditioned units?
A: Yes. Refurbished units are available at reduced cost with full dimensional inspection reports. Specify “refurbished” when requesting a quote.
Q: Can you supply a full PM kit including this blocker?
A: Yes. We can assemble complete preventive maintenance kits tailored to your chamber model. Contact us with your PM BOM for a consolidated quote.
Q: What is your minimum order quantity (MOQ)?
A: MOQ is 1 piece. Volume discounts apply for orders of 5+ units.
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