Lam Research 810-800256-207 Node Board – Obsolete TCP/Dielectric Etch Spare Part

Technical Dossier

Product Details And Specifications

Lam Research 810-800256-207 Node Board – Obsolete TCP/Dielectric Etch Spare Part

When a Node Board fails inside a Lam Research TCP or Dielectric Etch platform, the consequences are not limited to unplanned downtime. For fabs still running legacy Lam Research etch chambers — systems that have been fully depreciated but remain core to production — the alternative to sourcing this board is a forced equipment retirement. A single chamber upgrade or replacement program routinely runs USD $2–5 million, not counting the engineering requalification, process re-certification, and lost wafer starts during transition. The 810-800256-207 (cross-referenced as 810-802902-026, 810-028295-173, 853-049542-173, 0190-13298 Rev B) is a discontinued component. DriveKNMS maintains verified physical inventory of this board for facilities that cannot afford to let a procurement gap become a capital expenditure event.

Technical Specifications

Note: Electrical parameters specific to this board are not published in open documentation. DriveKNMS does not fabricate specifications. Confirmed parameters are provided upon request with test records.

Solving the Discontinued Hardware Crisis

Lam Research TCP etch platforms were deployed extensively throughout the 200mm and early 300mm era. Many of these chambers remain in active production at mature-node fabs, MEMS manufacturers, compound semiconductor facilities, and research institutions — environments where the process recipe, chamber history, and qualification data represent years of engineering investment that cannot be transferred to a new tool without significant cost and risk.

The Node Board in this architecture manages communication and control functions within the chamber's distributed control network. Its failure does not degrade performance gradually — it typically results in a hard fault that takes the chamber offline immediately. Because Lam Research ceased production of this board and has not offered a supported replacement path, procurement teams face a binary choice: locate a verified spare from the secondary market, or begin the capital justification process for a chamber replacement.

For facilities operating under a 5–10 year asset extension strategy, maintaining a buffer stock of critical discontinued boards like the 810-800256-207 is not optional — it is the lowest-cost insurance available against unplanned capital expenditure. The cost of a single board from verified secondary inventory is typically less than 0.5% of the cost of a chamber replacement program. Facilities that have implemented a structured legacy spare parts program consistently report extended equipment service life of 7–12 years beyond OEM end-of-support dates, with maintenance costs that remain a fraction of new tool acquisition.

DriveKNMS specializes in sourcing, testing, and supplying exactly these components — boards that OEMs no longer stock, that distribution channels have cleared, and that production engineers still depend on every day.

Condition & Reliability Assurance

For discontinued PCB assemblies, condition verification is not a formality — it is a safety requirement. Every 810-800256-207 board processed by DriveKNMS passes a structured 5-stage inspection protocol before it is offered for sale:

Stage 1 – Visual and Physical Inspection: Full board examination for mechanical damage, burn marks, delamination, and connector integrity. Boards with any structural compromise are rejected at this stage.

Stage 2 – Electrolytic Capacitor Assessment: Aged electrolytic capacitors are the primary failure mode in boards of this generation. Each capacitor is individually checked for ESR deviation, bulging, and electrolyte leakage. Out-of-tolerance capacitors are replaced with equivalent-rated components before the board proceeds.

Stage 3 – Pin and Connector Corrosion Audit: All edge connectors, backplane pins, and inter-board connectors are inspected under magnification for oxidation, fretting corrosion, and contact deformation. Affected contacts are cleaned or the board is flagged for disclosure.

Stage 4 – Firmware Version Verification: Where firmware is embedded, the revision is documented and cross-checked against known compatible versions for the target platform. Version mismatches are disclosed prior to shipment.

Stage 5 – Functional Bench Test: Boards are powered and tested against baseline operational parameters. Test records are retained and available upon request.

Boards that do not pass all five stages are either remediated to standard or sold as-is with full condition disclosure — never represented as tested-good.

Key Features for System Maintenance

The 810-800256-207 is a direct drop-in replacement for the original board position in compatible Lam Research TCP and Dielectric Etch chambers. No hardware modification to the chassis is required. The board interfaces with the existing backplane and chamber control architecture using the original connector and communication protocol — there is no requirement for software reconfiguration, recipe modification, or process requalification triggered solely by the board swap.

This matters operationally: a maintenance team can execute the replacement during a scheduled PM window without involving process engineering or triggering a requalification run. The avoided engineering cost alone — typically 40–80 hours of process engineer time plus wafer qualification costs — represents a return that dwarfs the cost of the spare part itself. Facilities that have replaced this board report chamber return-to-production times measured in hours, not weeks.

For facilities managing multiple chambers of the same platform, DriveKNMS recommends evaluating a multi-unit procurement to establish an on-site buffer. The carrying cost of one or two additional boards is negligible relative to the downtime exposure of a single unplanned failure with no spare available.

FAQ

Q: What warranty applies to a discontinued board like this?
A: DriveKNMS provides a 90-day warranty covering functional defects on all tested and refurbished units. New surplus units carry a 30-day DOA guarantee. Warranty terms are confirmed in writing at the time of order.

Q: How do I know the board is genuine and not a counterfeit?
A: All boards are sourced through traceable secondary market channels — decommissioned equipment, verified surplus dealers, and controlled fab disposals. Physical markings, PCB revision codes, and component date codes are inspected for consistency. Boards with inconsistent markings are rejected. Documentation of sourcing chain is available upon request for critical procurement decisions.

Q: Should we stock more than one unit?
A: For any facility running more than two chambers dependent on this board, holding a minimum of one spare on-site is standard risk management practice. Given that this part is discontinued and secondary market availability is finite and declining, procurement decisions made today carry lower cost and lower risk than the same decision made under emergency conditions. DriveKNMS can advise on appropriate buffer quantities based on your fleet size and planned equipment service life.

Q: Can you source other Lam Research discontinued boards?
A: Yes. DriveKNMS maintains an active sourcing network for Lam Research legacy components across TCP, DRAM, and oxide etch platforms. Submit your part number for a sourcing assessment.