Description
FSM 900TC C2C, FSM 900TC-VAC C2C Automated High-Temperature Film Stress & Wafer Bow Measurement Systems
Stress Hysteresis in vacuum or gas up to 900C for the study of annealing cycles. Thermal Desorption, Film Shrinkage, Reflectivity, and Resistivity options provide additional insight to causes of material changes with temperature.
The FSM 900TC C2C and FSM 900TC-VAC C2C are automated cassette-to-cassette semiconductor metrology systems designed for high-temperature wafer curvature, wafer bow, and thin film stress characterization. These systems combine non-contact laser measurement technology, programmable thermal cycling, automated wafer handling, and measurement software for semiconductor manufacturing, MEMS fabrication, compound semiconductor applications, and advanced thin film research.
The FSM 900TC C2C provides automated high-temperature wafer stress measurement, while the FSM 900TC-VAC C2C combines automated wafer handling with a vacuum thermal measurement configuration. Both models are intended for applications requiring repeatable wafer measurements with reduced manual handling. Wafer size, cassette compatibility, temperature range, and vacuum performance depend on the selected configuration.
Key Features and Benefits
- Automated Cassette-to-Cassette Operation: Automated wafer loading, measurement, and unloading for semiconductor manufacturing applications.
- High-Temperature Measurement: Non-contact wafer curvature, bow, and calculated thin film stress measurement during programmable thermal cycles.
- Temperature Capability: High-temperature characterization up to 900°C for the published FSM 900TC series, subject to confirmation for the selected C2C configuration.
- Vacuum Measurement: FSM 900TC-VAC C2C provides a vacuum thermal measurement configuration.
- Non-Contact Laser Measurement: Measures wafer curvature without mechanical contact with the wafer surface.
- Thin Film Stress Measurement: Calculates tensile and compressive film stress using wafer curvature changes and film/substrate properties.
- Programmable Thermal Cycling: Supports temperature ramp, hold, and cooling sequences.
- Automated Wafer Handling: Reduces operator involvement and supports repeatable wafer transfer.
- Controlled Gas Environment: Nitrogen, argon, or forming gas capability, depending on configuration.
- Stress Hysteresis Analysis: Evaluates stress changes during heating and cooling.
- CTE Analysis: Supports coefficient of thermal expansion calculations using temperature-dependent measurement data.
- Production Process Monitoring: Supports wafer-to-wafer measurement comparison and process evaluation.
- Optional Integrated Metrology: Additional measurement capabilities may be available for the VAC configuration.
- Data Analysis and Reporting: Software supports temperature-dependent wafer curvature and thin film stress analysis.

FSM 900TC C2C and FSM 900TC-VAC C2C Models and Configurations
| Model | Configuration | Primary Applications |
|---|---|---|
| FSM 900TC C2C | Automated cassette-to-cassette high-temperature wafer stress and bow measurement system | Automated thermal stress measurement, wafer curvature monitoring, thin film characterization, and production process evaluation |
| FSM 900TC-VAC C2C | Automated cassette-to-cassette high-temperature vacuum wafer stress and bow measurement system | Vacuum thermal cycling, stress hysteresis, oxidation-sensitive thin films, and automated semiconductor wafer characterization |
FSM 900TC C2C and FSM 900TC-VAC C2C Technical Specifications
| Parameter | FSM 900TC C2C | FSM 900TC-VAC C2C |
|---|---|---|
| Equipment Type | Automated high-temperature film stress measurement | Automated high-temperature vacuum film stress measurement |
| Wafer Handling | Automated cassette-to-cassette | Automated cassette-to-cassette |
| Wafer Size | Configuration dependent | Configuration dependent |
| Cassette Compatibility | Subject to selected automation configuration | Subject to selected automation configuration |
| Measurement Technology | Non-contact laser measurement | Non-contact laser measurement |
| Measurement Parameters | Wafer bow, curvature, calculated film stress | Wafer bow, curvature, calculated film stress, stress hysteresis |
| Maximum Temperature | Up to 900°C, subject to configuration confirmation | Up to 900°C, subject to configuration confirmation |
| Optional Temperature Capability | Subject to confirmation | 1100°C option on the published VAC platform; availability for C2C requires confirmation |
| Temperature Ramp Rate | Configuration dependent | 1–50°C/min on the published VAC platform; C2C specification requires confirmation |
| Thermal Cycling | Programmable ramp and hold | Programmable ramp and hold |
| Vacuum Capability | Not specified | Vacuum thermal measurement; final pressure specification requires confirmation |
| Vacuum Pumping | Not specified | Subject to selected vacuum configuration |
| Process Gas | Configuration dependent | Nitrogen, argon, or forming gas, depending on configuration |
| Stress Hysteresis Analysis | Temperature-dependent stress analysis | Temperature-dependent stress analysis |
| CTE Analysis | Supported through measurement data analysis | Supported through measurement data analysis |
| Integrated Metrology Options | Subject to configuration | Additional metrology options subject to configuration |
| Software | Measurement control, thermal cycling, stress analysis, and reporting | Measurement control, thermal cycling, stress analysis, and reporting |
Note: Published FSM 900TC-VAC platform specifications should not automatically be applied to the automated C2C models. Wafer size, cassette compatibility, temperature capability, vacuum performance, metrology options, and automation functions must be confirmed for the selected system.
Automated Cassette-to-Cassette Wafer Handling
The FSM 900TC C2C and FSM 900TC-VAC C2C integrate automated wafer handling with high-temperature wafer curvature and film stress measurement technology.
Automated wafer handling reduces manual loading and unloading operations and supports consistent measurement procedures for multiple semiconductor wafers.
- Automated wafer loading from cassette
- Wafer transfer to the measurement station
- Non-contact wafer curvature and bow measurement
- Programmable thermal measurement sequences
- Automated measurement data collection and analysis
- Wafer return to cassette after measurement
- Wafer-to-wafer measurement comparison
- Semiconductor production process monitoring
The exact wafer transfer mechanism, cassette format, wafer capacity, and automation interface depend on the selected equipment configuration.
Working Principle – High-Temperature Wafer Bow and Film Stress Measurement
The FSM 900TC C2C and FSM 900TC-VAC C2C use non-contact laser measurement technology to evaluate semiconductor wafer curvature during programmable thermal cycles.
As the wafer is heated, changes in substrate curvature are measured and analyzed to determine temperature-dependent deformation and thin film stress behavior.
Thin film stress is calculated using wafer curvature measurements, substrate mechanical properties, film thickness, and an appropriate stress calculation model, such as Stoney’s equation where applicable.
The FSM 900TC-VAC C2C incorporates a vacuum thermal measurement configuration for characterization under controlled pressure conditions.
By measuring wafer curvature during heating, temperature holding, and cooling, the systems support analysis of thermal stress, residual stress, stress relaxation, and hysteresis.
High-Temperature Thermal Cycling and Stress Characterization
The FSM 900TC C2C and FSM 900TC-VAC C2C are designed for evaluating thin film stress and wafer deformation during high-temperature processing.
Programmable thermal measurement sequences support temperature-dependent stress analysis and evaluation of thin film material behavior during heating and cooling.
- Room-temperature wafer curvature measurement
- Programmable high-temperature heating cycles
- Temperature ramp and hold programs
- Stress versus temperature analysis
- Stress versus time analysis
- Wafer bow versus temperature analysis
- Residual stress characterization
- Stress relaxation during temperature holding
- Heating and cooling hysteresis evaluation
- Coefficient of thermal expansion analysis
- Thin film thermal stability studies
FSM 900TC-VAC C2C Vacuum and Controlled Gas Measurement
The FSM 900TC-VAC C2C provides an automated vacuum thermal measurement configuration for semiconductor materials that require controlled processing environments during high-temperature characterization.
Vacuum measurement can be useful for evaluating thin films that are sensitive to oxidation or atmospheric exposure during heating.
Depending on configuration, controlled gas environments may include nitrogen, argon, or forming gas.
- Vacuum thermal stress characterization
- Controlled gas thermal cycling
- Oxidation-sensitive thin film evaluation
- Low-k dielectric material characterization
- Copper metallization thermal stability studies
- Thin film outgassing studies
- Advanced semiconductor material characterization
Note: Vacuum pressure, pumping system, gas controls, and any integrated thermal desorption capabilities require confirmation for the FSM 900TC-VAC C2C configuration.
Semiconductor and Thin Film Applications
Semiconductor Wafer Manufacturing
- Automated high-temperature wafer bow and curvature measurement
- Temperature-dependent thin film stress characterization
- Wafer deformation monitoring during thermal cycling
- Thin film thermal stability evaluation
- Annealing process development
- Wafer-to-wafer measurement comparison
- Semiconductor process monitoring and quality control
Compound Semiconductor Applications
The FSM 900TC C2C and FSM 900TC-VAC C2C measurement technology is relevant to compound semiconductor wafer characterization, including:
- GaAs semiconductor wafers
- InP semiconductor wafers
- GaN epitaxial structures
- SiC semiconductor substrates
- III-V semiconductor thin films
- Compound semiconductor epitaxial process development
- Temperature-dependent wafer curvature and stress characterization
Measurement suitability depends on substrate dimensions, optical reflectivity, material properties, thermal stability, wafer handling compatibility, and the selected system configuration.
MEMS and Advanced Semiconductor Devices
- MEMS thin film thermal stress characterization
- Residual stress and stress relaxation measurement
- Dielectric and metal film thermal stability evaluation
- Wafer bow monitoring during thermal cycling
- Advanced packaging material characterization
- Thermal mismatch and deformation studies
Thin Film Deposition Processes
The systems can be used to evaluate temperature-dependent wafer curvature and film stress associated with:
- Physical Vapor Deposition (PVD)
- Chemical Vapor Deposition (CVD)
- Plasma Enhanced Chemical Vapor Deposition (PECVD)
- Atomic Layer Deposition (ALD)
- Epitaxial thin film growth
- Metal and dielectric thin film processing
- Thin film annealing and thermal treatment
Advanced Materials and Device Applications
- Low-k dielectric materials
- Copper and advanced metallization films
- Semiconductor interconnect materials
- Solar cell materials
- LED and optoelectronic materials
- Advanced semiconductor packaging materials
Thermal Stress, Stress Relaxation and CTE Analysis
The FSM 900TC C2C and FSM 900TC-VAC C2C provide temperature-dependent wafer curvature and film stress data for evaluating material behavior during thermal processing.
Thermal cycling measurements can help identify stress changes associated with material expansion, contraction, structural relaxation, and temperature-dependent film properties.
The systems support coefficient of thermal expansion (CTE) analysis and evaluation of thermal mismatch between thin films and semiconductor substrates.
- Stress versus temperature analysis
- Stress versus time analysis
- Wafer bow versus temperature analysis
- Residual stress characterization
- Stress relaxation during temperature holding
- Heating and cooling hysteresis evaluation
- Coefficient of thermal expansion calculations
- Thin film thermal stability studies
Automated Measurement for Semiconductor Production
Compared with manually loaded high-temperature wafer stress measurement systems, the FSM 900TC C2C and FSM 900TC-VAC C2C provide automated cassette-to-cassette wafer handling.
The automated configurations are particularly useful for semiconductor manufacturing applications requiring repeated measurements across multiple wafers, consistent measurement procedures, and reduced manual handling.
- Reduced operator involvement
- Automated wafer loading and unloading
- Consistent measurement sequences
- Improved wafer handling repeatability
- Wafer-to-wafer measurement data collection
- Production process monitoring
- Semiconductor quality control
Thin Film Reliability and Thermal Stability Evaluation
High-temperature wafer stress and curvature measurements are important for understanding the reliability of semiconductor thin films subjected to thermal processing.
The FSM 900TC C2C and FSM 900TC-VAC C2C help researchers and process engineers evaluate stress-related material behavior during heating and cooling.
Temperature-dependent measurements can support material selection, process optimization, and evaluation of potential reliability concerns associated with thermal expansion mismatch, film cracking, delamination, and structural changes.
- Thermal stress accumulation
- Residual stress characterization
- Stress relaxation and hysteresis
- Thin film cracking risk evaluation
- Film and substrate thermal mismatch
- Material thermal stability
- Process temperature optimization
System Dimensions and Facilities Requirements
System dimensions and facilities requirements depend on the selected automated wafer handling configuration, measurement chamber, vacuum pumping equipment, and optional metrology modules.
| Parameter | FSM 900TC C2C | FSM 900TC-VAC C2C |
|---|---|---|
| System Dimensions | Subject to configuration | Subject to configuration |
| System Weight | Subject to confirmation | Subject to confirmation |
| Electrical Power | Subject to confirmation | Subject to confirmation |
| Cooling Requirements | Subject to configuration | Subject to configuration |
| Vacuum Pumping | Not specified | Vacuum pumping system; specifications subject to confirmation |
| Process Gases | Configuration dependent | Nitrogen, argon, or forming gas, depending on configuration |
| Wafer Handling | Automated cassette-to-cassette | Automated cassette-to-cassette |
Note: Final system dimensions, electrical requirements, cooling requirements, vacuum pumping configuration, cassette compatibility, and installation facilities must be confirmed before ordering.
Computer and Software Capabilities
- Automated wafer handling and measurement sequence control
- Programmable temperature ramp and hold recipes
- High-temperature wafer curvature measurement
- Film stress versus temperature analysis
- Film stress versus time analysis
- Wafer bow versus temperature analysis
- Stress hysteresis characterization
- Coefficient of thermal expansion calculations
- Wafer-to-wafer measurement comparison
- Measurement data and graph export
FSM 900TC C2C and FSM 900TC-VAC C2C Equipment Inquiry and Quotation
SemiStar Corp. welcomes inquiries from semiconductor manufacturers, compound semiconductor fabs, MEMS manufacturers, universities, research institutes, and semiconductor process development laboratories.
For an FSM 900TC C2C or FSM 900TC-VAC C2C equipment inquiry, please provide the required model, wafer size, substrate material, cassette configuration, film material and thickness, maximum measurement temperature, thermal cycling requirements, vacuum or inert gas requirements, and any special automation or metrology requirements.
Equipment availability, configuration, pricing, delivery schedule, and commercial terms are subject to confirmation.
Frontier Semiconductor Measurements (FSM) – Semiconductor Metrology Equipment
SemiStar Corp. is a distributor of Frontier Semiconductor Measurements (FSM) semiconductor metrology equipment, providing measurement solutions for semiconductor manufacturing, compound semiconductor fabs, MEMS, advanced packaging, universities, and research laboratories.
FSM specializes in semiconductor wafer metrology and electrical characterization, including thin film stress, wafer bow, wafer curvature, wafer thickness, Total Thickness Variation (TTV), sheet resistance, four-point probe (4PP), and thin film adhesion testing. FSM measurement systems are available in desktop, semi-automatic, and fully automatic cassette-to-cassette configurations, depending on the equipment model.
FSM Semiconductor Metrology Equipment Models
- FSM 128NT / FSM 128L: Thin film stress, wafer bow, and wafer curvature measurement systems.
- FSM 128 C2C / FSM 128L C2C: Automated cassette-to-cassette thin film stress, wafer bow, and curvature measurement systems.
- FSM 500TC: High-temperature thin film stress and wafer curvature measurement system.
- FSM 900TC / FSM 900TC-VAC: High-temperature wafer stress and curvature measurement systems, including vacuum configurations.
- FSM 900TC C2C / FSM 900TC-VAC C2C: Fully automated cassette-to-cassette high-temperature stress and curvature measurement systems.
- FSM 413 MOT: Desktop wafer and thin film thickness measurement system using Echoprobe™ infrared interferometry.
- FSM 413 SA: Semi-automatic wafer and thin film thickness measurement system with enclosure.
- FSM 413 C2C: Fully automatic cassette-to-cassette wafer thickness, thin film thickness, and TTV measurement system.
- FSM 4PP: Contact four-point probe and non-contact sheet resistance measurement systems, including tabletop and automated cassette-to-cassette configurations.
- FSM MELT: Modified Edge Liftoff Test system for thin film and film stack adhesion measurement.
- FSM Aquaflex: Four-point bend film adhesion testing system for low-to-medium adhesion samples.
Semiconductor Metrology Applications
FSM equipment supports semiconductor process development, wafer characterization, thin film deposition evaluation, ion implantation, diffusion, metallization, wafer thinning, wafer bonding, MEMS fabrication, and advanced semiconductor manufacturing.
Contact SemiStar Corp. for FSM semiconductor metrology equipment selection, technical specifications, system configurations, and quotations.
