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ALD-150LX™ – Designed for advanced research & development applications

ALD-150LX™ – Designed for advanced research & development applications

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Description

 

Features

Process Chamber

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Core Process Chamber - Plasma Option

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The ALD150LX™ process chamber can be configured for purely thermal or plasma-enhanced ALD (plasma optional). Our unique perpendicular flow design enables isolated, uniform precursor delivery, and promotes increased precursor utilization as well as mean time between service intervals. To avoid unwanted material buildup and particulate formation inside delivery channels, four separate chamber inlets (not including plasma) are available for precursor isolation. For example, separate inlets can be used to isolate metal organic precursors and co-reactants to prevent deposition in delivery lines and valves.

  • Plasma-Enhanced ALD (PEALD) configuration optional
  • Analytical ports (70° angle of incidence) for in-situ ellipsometry (ellipsometer optional)
  • Four separate inlets for precursor delivery to prevent unwanted buildup in delivery channels
  • Independent substrate heater stage and outer chamber casing for excellent temperature control and uniformity
  • 304L stainless-steel construction
  • Accessible, low maintenance design

Our Patented Precursor Focusing Technology™ (PFT™) combines an inactive curtain gas barrier with centralized precursor delivery and pumping to minimize interactions with process chamber sidewalls, and keep precursors out chamber ports for improved precursor utilization and extended maintenance intervals. Analytical ports for ellipsometer integration are a standard feature on the ALD150LX™ (ellipsometer optional). Substrates (up to 150 mm diameter) are introduced through a horizontal loading port. Once inside a vertical pin lift mechanism is used to complete transfer by picking and placing substrates directly onto the surface of the substrate heater stage.

Precursor Delivery

The base ALD150LX™ system includes two heated, single-source vapor draw modules with two separate chamber inlets (to avoid unwanted buildup in delivery line components), that operate in dynamic or static exposure modes. For the full range of precursor delivery options currently available, please refer to the Options Tab for more information.

Heating

The ALD150LX™ employs superior heating and temperature control that complements our unique PFT™ design by further enhancing overall system performance. In particular, temperature uniformity and control helps to prevent unwanted precursor condensation resulting in parasitic effects that reduce film quality and compromise chamber cleanliness.

Upper temperature Limits for heated system components are as follows:

  • Substrate heater stage 500°C
  • Chamber and precursor delivery lines 250°C
  • Precursors and delivery valves 200°C
  • Delivery Line heating up to 250°C
  • Up to 200°C Valve Heating

Our unique heater design combined with independent heat zones for precursors, delivery valves and lines, process chamber (multiple zones), substrate heater as well as foreline components provide unparalleled temperature control and uniformity of heated system components.

 

Options

Plasma Option

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Remote Inductively Coupled Plasma (ICP) Source

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The ALD150LX™ plasma option is a fully integrated package that incorporates a high-performance, remote inductively coupled plasma (ICP) source design with up to six plasma gas lines/channels. Typical plasma gases include oxygen, nitrogen and hydrogen. An alternate bypass channel is available for maintaining continuous gas flow during PEALD processing making the need to start-and-stop gas flow optional. Our advanced plasma source design is complimented by our state-of-the-art eKLipse™ software and controls package.

The base plasma option includes the following components:

  • Cylindrical dielectric plasma tube with helical inductive coil geometry
  • 1 kW power supply operating at 13.56 MHz frequency
  • Two plasma gas channels
  • Bypass channel for continuous gas flow operation
  • Self-supported, detachable auto-matching network
  • Compact, modular design for ease of service

Other optional plasma features include:

  • Four additional plasma gas channels
  • Pump-purge manifold for gas line preparation
  • Gas compatibility programmable logic controller (PLC)

An optional manifold is available for gas line preparation (i.e., pumping and purging) prior to charging. This pump-purge manifold provides built-in capacity for preparing gas lines to obtain optimal gas purity. To prevent mixing of incompatible gases (e.g., H2 and O2), a gas compatibility programmable logic controller (PLC) is also available.

Precursor Delivery Options

With up to fifteen precursor sources that utilize four separate chamber inlets (not including plasma), the ALD150LX™ provides extreme process flexibility. Modules are available for gas, liquid and solid phase precursors with a host of delivery options including vapor draw, flow-through and pulsed gas delivery. A fully integrated ozone delivery option is also available. Please contact us for more information regarding our ozone option.

For delivery options that require heating, our unique heater designs combined with independent heat zones for precursors, delivery valves and lines provide unparalleled temperature control and uniformity. Excellent temperature uniformity and control helps to prevent unwanted precursor condensation resulting in parasitic effects that reduce film quality and compromise chamber cleanliness.

Precursor exposure modes include dynamic, static and Variable Residence Mode™. Dynamic and static modes are standard features; Variable Residence Mode™ is optional. Please contact us for more information regarding our Variable Residence Mode™ option. The modular, scalable ALD150LX™ design accommodates a variety of different configurations including future expansion and upgrades.

Single-Source & Multi-Source Vapor Draw Modules

Vapor draw sources are ideal for liquid and solid phase precursors with sufficient vapor pressure such that they do not require any special assistance for effective vapor delivery other than heating. The base ALD150LX™ system includes two heated, single-source vapor draw modules with two separate chamber inlets (standard feature).

  • Optional multi-source vapor draw module
  • Multi-source module can include up to five vapor draw sources
  • ALD150LX™ can accommodate up to two multi-source modules with two separate chamber inlets
  • Precursor and delivery valve heating are independently controlled up to 200°C
  • Delivery lines are independently controlled to 250°C
  • Vapor draw modules feature true precision ALD valve timing for optimal precursor dose control

Flow-Through Vapor Delivery Module

For liquid and solid phase precursors with insufficient/low vapor pressure, flow-through sources provide enhanced vapor delivery. Our unique, modular flow-through design provides added flexibility for advanced low vapor pressure delivery and supports both flow-through and vapor draw methods.

  • Fully enclosed oven or independently heated precursor cylinder configurations
  • ALD150LX™ can accommodate up to two flow-through modules with two separate chamber inlets
  • Precursor and delivery valve heating independently controlled up to 200°C (oven configuration not fully independent)
  • Delivery line heating independently controlled to 250°C
  • True precision ALD valve timing for optimal precursor dose control

Pulsed Gas Delivery

Pulsed gas options include our Pulsed Gas Source™ (PGS™) delivery module specifically designed for precise, accurate, high-speed dosing of toxic gases (e.g., WF6, HCl, NH3, H2S, etc.). The KJLC® unique PGS™ design utilizes a fixed charge volume (or reservoir) for precursor dosing that eliminates the he need for a mass flow controller for precise, accurate delivery. To control the amount of precursor being delivered, precision ALD valve timing as well as reservoir pressure, are tightly controlled through our eKLipse™ software and controls package to enable high-speed dosing with both precision and accuracy. The ALD150LX™ can accommodate up to two PGS™ modules.

  • Designed specifically for precise, accurate high-speed dosing of toxic gases (e.g., WF6, HCl, NH3, H2S, etc.)
  • Eliminates the need for mass flow controllers
  • Includes separate channel for pumping and purging of input line components

Substrate Transfer Options

Substrates (up to 150 mm diameter) are introduced/removed through a horizontal loading port either manually in atmosphere (using a hand held fixture or mechanical rail assembly), or by automated transfer using a load-lock (single or multi-wafer cassette) or cluster tool configuration that provide a controlled vacuum environment for substrate handling. Glove box options are also available for manual or automated transfer configurations.

Substrate transfer options include the following:

  • Manual loading in atmosphere (using a hand held fixture or mechanical rail assembly)
  • Automated load-lock transfer (single or multi wafer cassette)
  • Cluster tool
  • Glove box

Pumping & Pressure Measurement

The standard pump for the ALD150LX™ is a Leybold D65BCS rotary vane pump (53 cfm, PFPE prepared) with optional foreline purge/vent protection and oil filtration. A dry pump with foreline purge/vent protection, as well as a customer supplied pump are optional. A heated (150°C) capacitance manometer measures process chamber pressure.

Standard:

  • Leybold D65BCS rotary vane pump, 53 cfm, PFPE prepared
  • Heated (150°C) capacitance manometer measures process chamber pressure

Optional:

  • Foreline purge/vent protection
  • Oil filtration
  • Dry pump (optional) with foreline purge/vent protection
  • Customer supplied pump

Glovebox Adaptors

The ALD-150LE™ and ALD-150LX™ are now easily integrated with a glove box. The process chamber is strategically positioned in the glovebox to provide the user with easy access to load and unload their substrate.

Kurt J Lesker is able to offer a wide array of standard and custom glovebox suites, from a standard 4 port or 6 port arrangement, to custom lengths and depths.

Glovebox Specifications

  • All stainless steel construction of the glovebox
  • Specifically designed to integrate with KJL deposition system
  • All stainless steel Swagelok valves, fittings and piping
  • Modular design (for easy expansion)
  • Lexan front window
  • Quick release front window
  • Electrical feedthrough with a six (6) outlet power strip
  • LED light fixtures
  • All stainless steel antechamber; size 15" diameter x 24"L with sliding tray
    • Shock assisted door lifting mechanisms
  • All stainless steel mini antechamber; size 8" diameter x 15"L
  • Stainless steel stand with leveling feet and casters
  • Stainless steel vacuum gauges
  • Adjustable bin storage unit (adjustable shelving)
  • Spare KF40 feedthroughs
  • Two (2) HEPA gas flow filters; one (1) inlet, one (1) outlet
  • Push button evacuation and refill of antechamber
  • All stainless steel 24V DC solenoid valve for refill of antechamber
  • Automatic electro-pneumatic valve for evacuation of the antechamber (KF40)
  • Common vent line
  • Stainless steel filter column for the removal of oxygen and moisture including automatic electro-pneumatic valves (KF40 size)
  • Fully automatic system with Siemens PLC control unit and 7" color touch screen with built in operating instructions and system diagnostics. Includes:
    • O2, H20 and pressure trending
    • Maintenance alarms
    • Power saver mode for vacuum pump/lights (optional)
  • Automatic regeneration process using 3-5% hydrogen gas mixture
  • Capable of removing 36 liters of oxygen from inert gas before needing a regeneration
  • Capable of removing 1300 grams of moisture from inert gas before needing a regeneration
  • Continuous oxygen monitoring
  • Continuous moisture monitoring
  • Includes 50 cfm circulation blower
  • Built for continuous operation
  • Manual solvent removal system including stainless steel filter column, 10lbs of activated carbon, manual bypass and isolation valves, evacuation and refill valves, and refill drain port (optional)
  • Automatic solvent removal system including stainless steel filter column with 20lbs of molecular sieve, automatic bypass and isolation valves with automatic reactivation of filter material (optional)
  • Automatic purge valve-200 L/min flow rate

Glovebox Options

Along with the gloveboxes and system adaptor boxes the following accessories can be supplied:

  • Spin Coaters
  • Hot Plates
  • UV Ozone Curing
  • Regenerable Solvent Purification System
  • Other accessories upon request

 

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