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Improving thermal performance in semiconductor process chambers

Download Atomic Layer Deposition Solution Note

Atomic layer deposition solutions

Increasing demand for more powerful devices in smaller sizes (for example in computation, data storage, communication, energy storage, and sensing technologies) has resulted in the development of semiconductor manufacturing tools for more precise control of thin films. Critical film layers in today’s transistors are only a few atoms thick. Atomic Layer Deposition (ALD), also known as Atomic Layer Epitaxy (ALE), is a vapor-phase deposition technique used to grow these ultrathin films.

ALD process overview

Chemical reactions are used to grow films one atomic layer at a time. By managing the cycle stages, it is possible to achieve precise control of the quantity and composition of the layers. Uniform coverage is possible on any topology or 3D structure. These chemical reactions are thermally driven, most frequently by heating a substrate, and can be further enhanced during the gas-phase by applying plasma assistance during the deposition process.

Self-limiting uniform growth can only be achieved within an ideal temperature range. If outside this, the ALD process could be impaired by one of the detrimental effects shown in the diagram below.


ALD Process Diagram_Semiconductor

Expertise supporting precise atomic layer deposition

Eurotherm solutions:

  • Precision multiloop temperature control available with DeviceNet or EtherCAT communications – Mini8™ loop controller
  • OEM Security option for guarding valuable IP
  • Process hi-limit – EPC3000 programmable controller
  • Power control – EPack™ compact SCR power controller range
  • Power monitoring – EcoStruxure™ Power Monitoring Expert
  • Integrated PLC/data management – E+PLC400
  • Batch/recipe management
  • Digital data management
  • Local HMIs to full SCADA solutions
  • Reporting
  • Environmental condition monitoring
  • Remote condition monitoring
  • Calibration, compliance, asset management

Specific industry requirements

The EtherCAT Technology Group ETG ( was created to keep EtherCAT technology open for all users. SEMI™ (formerly Semiconductor Equipment and Materials International) has accepted EtherCAT as a communication standard (E54.20) for the semiconductor industry.

Highlight: Eurotherm EtherCAT enabled products

Industry 4.0 ready technology

EcoStruxure is Schneider Electric’s open IoT-enabled system architecture aiding the digital transformation to Industry 4.0 technology. Eurotherm connected instruments and software fit into this cybersecurity-in-mind designed architecture.

To discuss your Semiconductor needs:

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