Varian Varian Semiconductor Equipment H5173001 Exit Graphite Shield — High-Performance Graphite Shield for Semiconductor Etch Tools (Varian)

How Much Does Varian Semiconductor Equipment H5173001 Exit Graphite Shield VSEA New Surplus Cost in 2026?

As of June 2026, the Varian Semiconductor Equipment H5173001 Exit Graphite Shield is listed in the $801 range for a used, surplus unit in condition grade B. This price is typically sourced from secondary markets or surplus equipment brokers. Refurbished units from vendors like Covalent Materials or Axus Technology may carry a slightly higher price, but they often include a 12-month warranty and full reconditioning, which can justify the extra cost.

New units from Varian or authorized resellers are generally priced 40–60% higher, often exceeding $1,300. For a high-volume manufacturer, the cost of downtime caused by a failed graphite shield can easily exceed $10,000 per hour, depending on the tool’s utilization. Therefore, sourcing a reliable used shield at a lower cost is often the most economical option.

However, it’s important to note that the condition of the shield can vary significantly. Units with visible cracks or signs of thermal degradation should be rejected outright. Always request a detailed inspection report and, if possible, a recent maintenance log from the seller.

Varian Semiconductor Equipment H5173001 Exit Graphite Shield VSEA New Surplus Specifications and Compatible Tools

The Varian H5173001 Exit Graphite Shield is typically constructed from high-purity graphite and is designed to withstand temperatures up to 1,200°C. It is commonly rated for approximately 10,000 RF hours or 15,000 process cycles, depending on the chamber’s operating conditions. The shield is often used in Varian’s PlasmaPro and Centura series etch tools, particularly models from the 2000–2010 production years.

However, this part is not compatible with newer Lam Research or Applied Materials tools that use different shielding geometries. Specifically, it will not fit the Lam 2300 Series or Applied Centura 5500 without a custom adapter. Failure to install the correct shield can lead to arcing, chamber damage, and extended downtime, which can cost upwards of $12,000 per day in high-throughput environments.

Always verify the exact model and production year of your tool before purchasing. Specifications can vary slightly between batches, so it’s best to cross-reference with your tool’s maintenance manual or contact the manufacturer for confirmation.

What to Check Before Buying a Used Varian Semiconductor Equipment H5173001 Exit Graphite Shield VSEA New Surplus in 2026

1. Visual Inspection for Cracks or Delamination
   Look for visible cracks, especially around the edges and mounting points. A cracked shield can fail within 200–300 cycles, leading to chamber contamination and downtime.

2. Thermal History and Usage Logs
   Request the unit’s thermal history and process cycle count. Units with over 12,000 cycles or more than 1,500 hours at 1,000°C should be rejected due to high risk of failure.

3. Test with a Non-Destructive Inspection (NDI)
   Ask the seller to perform an X-ray fluorescence (XRF) scan or ultrasonic testing to detect internal voids or delamination. These tests can reveal hidden damage not visible to the naked eye.

4. Verify Production Year and OEM Documentation
   Units produced before 2008 may have different graphite formulations and are more prone to erosion. Always request a material certification from the seller.

5. Reject If Surface Erosion Exceeds 0.5mm
   Any surface erosion beyond 0.5mm in thickness is a hard reject. This can lead to premature failure and costly repairs.

Purchasing a substandard shield can lead to a complete chamber shutdown, with repair costs often exceeding $20,000 and downtime lasting up to a week.

FAQ

Q: Can I use a Varian H5173001 shield in a Lam Research 2300 Series tool?
A: No. The H5173001 is not compatible with the Lam 2300 Series. Attempting to install it can cause misalignment and arcing, leading to chamber damage and downtime of up to $15,000 per day.

Q: Should I buy a used Varian H5173001 shield with 13,000 cycles?
A: No. Units with over 12,000 cycles are at high risk of failure. A failed shield can cause up to $10,000 in repair costs and 3–5 days of downtime.

Q: How long does a Varian H5173001 Exit Graphite Shield typically last?
A: On average, it lasts between 10,000–15,000 RF hours or 12,000–18,000 process cycles, depending on the chamber’s operating conditions and maintenance schedule.

Q: What’s the difference between a used and a refurbished Varian H5173001 shield?
A: A used shield may not have been tested or cleaned, while a refurbished unit from a vendor like Covalent Materials includes full reconditioning, testing, and a 12-month warranty. Refurbished units can cost up to 20% more but reduce risk.

Q: What’s the best way to test a used Varian H5173001 shield before installation?
A: Perform an X-ray fluorescence (XRF) scan and a visual inspection under UV light to detect surface erosion or internal voids. Units with more than 0.5mm surface erosion should be rejected.