LAM RESEARCH 716-028028-004 Ruggedized Ceramic Clamp Ring for Harsh Environments

Product Overview

LAM RESEARCH 716-028028-004 Ruggedized Ceramic Clamp Ring: Industrial Resilience for Harsh Semiconductor Environments

The LAM RESEARCH 716-028028-004 Ceramic Clamp Ring — also referenced under cross-part numbers C3520, VCC-15-B-R1, 311750-001, and 850B-23172 — is a precision-engineered electrode assembly component designed for continuous, high-reliability operation in the most demanding semiconductor fabrication and plasma processing environments. With a 27CM electrode form factor, this ceramic clamp ring delivers exceptional dimensional stability, chemical resistance, and dielectric integrity under conditions of extreme thermal cycling, high-frequency RF exposure, corrosive process gases, and sustained mechanical stress.

Manufactured to LAM RESEARCH’s exacting OEM specifications, the 716-028028-004 is engineered to maintain consistent clamping force and electrical isolation across thousands of process cycles — a critical requirement in plasma etch chambers, CVD reactors, and ion implant systems where even minor component degradation can result in wafer yield loss, unplanned downtime, or costly chamber contamination events.

Rugged Specifications Table

Comprehensive Protection Solutions

In a high-throughput semiconductor fab, the 716-028028-004 Ceramic Clamp Ring does not operate in isolation. It is a foundational component within a broader ecosystem of precision process hardware that must function in concert to maintain chamber integrity and process repeatability. The clamp ring works in direct coordination with the LAM RESEARCH upper electrode assembly and the lower electrode (ESC — Electrostatic Chuck), ensuring uniform RF power distribution and consistent plasma confinement across the wafer surface.

Surrounding the electrode stack, the LAM RESEARCH confinement ring set and edge ring (focus ring) — including components such as the LAM RESEARCH 716-108462-001 Silicon Edge Ring and the LAM RESEARCH 716-108462-002 Quartz Confinement Ring — work together to shape the plasma boundary and protect chamber walls from erosive process gases. The ceramic clamp ring’s role in this assembly is to provide rigid, thermally stable mechanical support while maintaining electrical isolation between the powered electrode and the grounded chamber body.

For facilities managing multiple etch platforms, the 716-028028-004 is frequently stocked alongside complementary consumables such as the LAM RESEARCH 716-028028-001 Ceramic Clamp Ring (an earlier revision), LAM RESEARCH 853-049768-001 O-Ring Kit, and LAM RESEARCH 716-028028-003 Insulator Ring. These components share the same chamber interface geometry and are typically replaced on coordinated PM (preventive maintenance) schedules to minimize cumulative process drift.

Beyond the immediate electrode assembly, facilities running LAM RESEARCH Versys, Exelan, or 2300 series etch systems will also maintain inventories of LAM RESEARCH RF match network components, gas distribution plates (showerheads), and chamber liner assemblies — all of which interact with the electrode stack and depend on the mechanical and dielectric integrity of the ceramic clamp ring for stable process performance. Sourcing the 716-028028-004 from a reliable supplier with verified OEM traceability is therefore a critical procurement decision that affects not just one component, but the reliability of the entire process module.

Application in Critical Infrastructure

The LAM RESEARCH 716-028028-004 Ceramic Clamp Ring is deployed in some of the world’s most demanding high-technology manufacturing environments. In leading-edge logic and memory fabs — including facilities producing advanced DRAM, NAND flash, and sub-7nm logic devices — plasma etch chambers operate continuously, often 24 hours a day, 7 days a week, with process uptime requirements exceeding 95%. In these environments, a single failed or degraded ceramic clamp ring can trigger an unplanned chamber vent, resulting in hours of lost production time and significant yield impact.

In compound semiconductor fabs producing GaAs, GaN, and SiC devices for power electronics, RF communications, and photonics applications, the 716-028028-004 is equally critical. These processes often involve aggressive halogen-based chemistries and elevated chuck temperatures that place extreme demands on ceramic component integrity. The high-purity alumina construction of the 716-028028-004 provides the chemical inertness and thermal stability required to withstand these conditions over extended service intervals.

Beyond semiconductor manufacturing, LAM RESEARCH process equipment and associated components like the 716-028028-004 are also found in advanced materials research facilities, flat panel display (FPD) manufacturing lines, and MEMS (Micro-Electro-Mechanical Systems) production environments — all of which share the common requirement for precision plasma processing with minimal particle generation and maximum process repeatability.

For facilities in China, Taiwan, South Korea, Japan, and Southeast Asia operating LAM RESEARCH etch platforms, TOPNLMS maintains ready stock of the 716-028028-004 and related electrode assembly components, enabling rapid response to unplanned maintenance events and supporting scheduled PM programs without extended lead times from OEM channels.

Security & Quality FAQ

Q1: What warranty coverage is provided for the LAM RESEARCH 716-028028-004?
All 716-028028-004 Ceramic Clamp Rings supplied by TOPNLMS are covered by a 12-month quality warranty from the date of shipment. If a component is found to be defective in materials or workmanship under normal operating conditions within the warranty period, TOPNLMS will provide a replacement or full refund. Our warranty commitment reflects our confidence in the quality and traceability of every part we supply.

Q2: How is each unit inspected and tested before shipment?
Every 716-028028-004 unit undergoes a multi-point pre-shipment inspection protocol that includes dimensional verification against OEM drawings, visual inspection for surface defects, chips, or cracks, and dielectric integrity checks. For refurbished units, additional cleaning and surface analysis steps are performed to ensure the component meets or exceeds OEM performance specifications. A detailed inspection report is available upon request.

Q3: Is the 716-028028-004 compatible with all LAM RESEARCH C3520 chamber configurations?
The 716-028028-004 is designed as a direct OEM replacement for LAM RESEARCH C3520 and related 27CM electrode platform configurations. Cross-reference part numbers VCC-15-B-R1, 311750-001, and 850B-23172 confirm broad compatibility across multiple chamber revisions. For specific chamber configurations or process application questions, our technical team is available to verify compatibility before order placement.

Q4: What are the lead times and long-term supply assurance for this component?
TOPNLMS maintains standing inventory of the 716-028028-004 to support both emergency replacement and planned PM programs. Standard orders ship within 1–3 business days via DHL, FedEx, or UPS Express from our Xiamen, China facility. For customers requiring long-term supply agreements or consignment stock arrangements, we offer flexible procurement programs designed to eliminate supply chain risk for critical process components.