Cost effective liquid-to-liquid thermal shock test chambers

Purchasing a liquid thermal shock chamber needs close consideration of the long term operating costs. The specialized liquids used can easily evaporate, causing the loss of thousands of dollars of fluid per year, if not properly contained. Liquid-to-liquid thermal shock testing is typically conducted to apply very strong, repetitive thermal stress to test pieces. It can model a product's ability to withstand thermally-induced size changes, crack resistance, hermetic integrity, and changes in electrical properties. This form of testing provides a very rapid temperature shock recovery of conditions, and it can significantly reduce testing time by requiring shorter soaks and less cycles. The TSB thermal shock chambers have been built to meet the demanding test requirements of Mil-Std 883 method 1011.9, which has become a defacto industrial standard for semiconductor devices.

Serious cost savings

ESPEC has led the industry in developing a sophisticated test chamber with multiple mechanisms to significantly reduce fluid usage. The new TSB-52 loses just 1.4 grams per test cycle, or less than a liter of fluid per 1,000 cycle test. The recovery system reduces fluid loss through enhanced airtightness, preventing leakage of evaporated thermal fluid from the test area. A fan draws air to a condensing coil that turns evaporated fluid into a liquid, returning it to the baths. The units also include a separation filter for removing water from the thermal fluid. A refrigerated cooling ring at the top of the hot bath helps limit evaporative losses.

Easy to use, too

The TSB models now have our latest touch-screen controller, which includes USB and Ethernet access.

Features for Liquid-to-liquid Thermal Shock Chambers
  • Multiple mechanisms for reduction of fluid losses
    • Automatic shutters at bath inlets
    • Condensation pipe at the top rim of the high-temp bath
    • Vapor recycling unit in the transfer area
  • Designed for single (Galden) & dual-fluid (Fluorinert) use
  • Easily located, requires only electric power hook-up
  • Low noise of only 65 dBa

ESPEC’s Exclusive Touch-Screen Programmer:

  • NEW: USB and Ethernet interfaces included standard
  • User-friendly touch-screen operation with large 9" color display
  • Store 40 two-zone test programs
  • Programs may be written on a PC and uploaded via USB
  • The trend-graph display shows a record of setpoints and actual values
  • Operation data can be downloaded as needed, or continually, to USB
  • Two time signal relays for automated on/off control of test devices/samples
  • System alarms are stored in memory for historical review
  • Built-in timer functions allow the chamber to be started or shut down automatically
  • Pattern Manager Lite PC software for program editing and datalog viewing/exporting, to support USB functionality
  • Ethernet interface for remote monitoring and operation control, as well as data downloading

Test Standard Conformance

  • IEC 60068-2-14 Nc - Rapid change of temperature, two-fluid-bath method
  • MIL-STD-883J Method 1011.9 - Military standard, test methods for microcircuits Thermal Shock
  • MIL-STD-202 Method 107 - Military standard, test methods for electronic and electrical component parts Thermal Shock
  • JESD22-A106B - Thermal Shock
  • IEC 60749-11Semiconductor devices, Mechanical and climatic test methods Part 11: Rapid change of temperature, Two-fluid-bath method
  • EIAJ ED-4701/307 - Environmental and endurance test methods for semiconductor devices Thermal Shock

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Photo of Liquid-to-liquid
Super-low fluid usage makes liquid thermal shock affordable

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Model Number Interior Dimensions
(W x D x H)
Interior Volume Temperature Range Notes
TSB-22 4.7" x 4.7" x 5.9" 0.08 cu. ft. -65 to 200°C Test example: -65 to 150°C in 10 second transfer time with 2 lb. of IC chips
TSB-52 5.9" x 7.8" x 5.9" 0.15 cu. ft. -65 to 150°C Test example: -65 to 150°C in 10 second transfer time with 4 lb. of IC chips

      Click model number for details, including metric & english units.

Product Suggestions
  • Just need air-to-air thermal shock? Check out the TSA
Thermal Shock Chambers Series

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