LC-tray degassing chamber

GMC LC-tray degassing cham

LC-tray degassing chamber

2. Degassing chamber:
1. Vacuum profile;
1.1. Pressure set points freely adjustable between 1.103 and 1.10-3mBar
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1.1.1. Measurement range: 1.103 – 5.10-4
1.2. Time set points freely adjustable between 1 and 600min per step
1.2.1. Degassing step (D) can be minutes to days
1.3. Evacuation and ventilation rates must be controllable
1.4. The evacuation cycle (A – D) is performed automatically
1.4.1. The vent step (E) must be activated manually (operator)
1.5. Typical degassing profile

An LC-tray degassing chamber is a specialized vacuum chamber designed to remove entrapped air and dissolved gases from liquid materials (such as Liquid Crystals or "LC liquid") held in a tray. This process ensures the material is bubble-free before further processing, which is critical for the quality and reliability of electronic components and displays. Core Functionality Controlled Vacuum Environment: It creates a vacuum to lower the pressure above the liquid, forcing trapped gas bubbles to rise and escape the surface.Precision Profiles: High-end units allow users to adjust pressure set points (e.g., between \(1\times 10^{3}\) and \(1\times 10^{-3}\) mBar) and time cycles (from minutes to days) to suit the specific viscosity and sensitivity of the material.Automated Cycles: Systems often perform the evacuation cycle automatically while allowing manual control for venting to prevent "shaking" or sudden movement of the liquid. Key Components & Features Chamber Construction: Typically made of 304 stainless steel or polished aluminum for durability, high vacuum resistance, and easy cleaning to prevent contamination.LC-Tray Drawer: A specialized "drawer" or adaptation mechanism allows for easy loading and unloading. It is critical that the tray remains perfectly level (waterpas) to prevent liquid spillage.Monitoring Window: A thick, transparent lid (often acrylic) or a viewing window allows operators to observe the liquid surface behavior and bubble formation during the cycle.Cleanliness Standards: The interior is usually polished to prevent moisture collection and ensure no process contamination occurs from the chamber material. Typical Specifications (Based on industrial models like GMC/Masevon)