Caladan SemiCaladan
Request Quote
✓Buyer Guides✓Technical Articles✓Industry Insights✓Equipment Tips
Equipment Guide4 min readBy Caladan Semi

Lam 2300 Kiyo Replacement Parts Guide — 2026

title: "Lam Research 2300 Kiyo Replacement Parts Guide for Process Engineers"
author: "Caladan Semi"
date: "2025-04-05"
lastUpdated: "May 2026"
description: "A comprehensive guide to Lam 2300 Kiyo 300mm conductor etch chamber replacement parts for maintenance and process engineers."

Lam Research 2300 Kiyo Replacement Parts Guide for Process Engineers

Maintaining the Lam Research 2300 Kiyo 300mm conductor etch chamber is essential for ensuring process consistency, throughput, and tool uptime. As a process engineer, understanding the key replacement parts and their maintenance schedules is critical to sustaining high performance in high-volume manufacturing.

1. Introduction to the Lam 2300 Kiyo

The Lam Research 2300 Kiyo system is a high-performance, 300mm conductor etch tool designed for precision etching of critical layers in advanced semiconductor manufacturing. It features a compact chamber design, high process uniformity, and excellent particle control. The Kiyo is widely used for etching conductive materials such as tungsten, copper, and barrier layers in sub-10nm node processes.

To maintain optimal performance and process control, regular part replacement is necessary due to wear and contamination over time.

2. 8 Commonly Replaced Parts in the Kiyo Etch Chamber

Here are the most frequently replaced parts in the Lam 2300 Kiyo system:

  1. Showerhead Electrode

    • Subject to deposition and erosion. Replacement is necessary when etch uniformity or endpoint detection degrades.

  2. Edge Ring

    • Ensures uniform plasma and process across the wafer edge. Must be replaced when contamination or wear affects edge uniformity.

  3. Focus Ring

    • Helps shape the plasma profile. Replaced when etch uniformity or CD control is affected.

  4. Chamber Liner

    • Susceptible to particulate buildup and outgassing. Requires replacement to maintain clean chamber environment.

  5. ESC (Electrostatic Chuck)

    • Critical for wafer holding. Must be replaced when sticking performance or thermal uniformity degrades.

  6. Upper Electrode

    • Can become contaminated or eroded. Replacement is necessary to maintain plasma stability and process control.

  7. O-Ring Kit

    • Prevents gas and particle leaks. Routine replacement is essential for maintaining vacuum integrity and cleanliness.

  8. Lift Pin Assembly

    • Used to load/unload wafers. Replaced when there is wear, misalignment, or contamination affecting wafer handling.

3. Preventive Maintenance (PM) Schedule (250k–500k wafers)

| Part | Recommended Replacement Interval | |--------------------------|----------------------------------| | Showerhead Electrode | 300k–500k wafers | | Edge Ring | 250k–400k wafers | | Focus Ring | 300k–500k wafers | | Chamber Liner | 300k wafers | | ESC | 400k–600k wafers | | Upper Electrode | 300k–500k wafers | | O-Ring Kit | Every PM cycle (~250k wafers) | | Lift Pin Assembly | 300k–500k wafers |

Note: Always follow site-specific PM protocols and adjust based on process conditions and tool performance monitoring.

4. Where to Source Used Kiyo Parts

Used Lam 2300 Kiyo parts can be sourced from:

  • Caladan Semi – Offers pre-owned, reconditioned, and tested parts for Lam Kiyo systems.
  • Auction sites – Occasionally, tool decommissioning auctions list usable parts.
  • Secondhand equipment dealers – Some specialize in semiconductor tool parts.
  • Internal tool decommissioning – Many fabs have spare parts from decommissioned tools.

Always verify part compatibility and condition before installation. Caladan Semi provides detailed part verification and compatibility checks.

5. Frequently Asked Questions

Q: How can I tell when an ESC needs to be replaced?
A: Look for signs like reduced wafer sticking, uneven temperature distribution, or process window drift. Perform a sticking test and check thermal uniformity.

Q: Can I use aftermarket or reconditioned parts in my Kiyo system?
A: Yes, many reconditioned parts are available and meet OEM specifications. Ensure they are properly tested and compatible with your process.

Q: What should I do with old Kiyo parts?
A: Consider selling them through Caladan Semi or another certified re-use partner. This is a cost-effective way to offset part costs and keep equipment out of landfills.

Need Lam 2300 Kiyo Parts?

Whether you need new, used, or reconditioned parts, Caladan Semi is your trusted partner in semiconductor tool lifecycle management. Our inventory includes high-quality, verified Lam Kiyo components ready to ship.

👉 Get a quote or browse our Lam Kiyo parts inventory today.

Related Parts

Need pricing or availability? Request a quote and our team will respond within 24 hours.

Page last reviewed May 2026. Pricing and availability reflect current 2026 secondary market conditions.

← Back to Blog