LC-bakka afgasunarklefi

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

An LC-tray degassing chamber is a specialized vacuum chamber designed to remove trapped air and dissolved gases from liquid materials (such as Liquid Crystals or "LC liquid") contained in a tray. This process ensures that the material is free from bubbles prior to further processing, which is critical for the quality and reliability of electronic components and displays.

Core Functionality
- Controlled Vacuum Environment: The system generates a vacuum, reducing the pressure above the liquid, which forces trapped gas bubbles to rise and escape.
- Precision Profiles: High-end units provide freely adjustable pressure set points (e.g., between 1×10³ and 1×10⁻³ mBar) and time cycles (from minutes up to several days) to suit different material viscosities and process requirements.
- Automated Cycles: Evacuation cycles are performed automatically, while venting is manually controlled to prevent liquid agitation or sudden movement.

Key Components & Features
- Chamber Construction: Usually constructed from 304 stainless steel or polished aluminum to ensure high vacuum resistance, durability, and easy cleaning, thereby reducing the risk of contamination.
- LC-Tray Drawer: Special drawer or adaptation system ensures easy loading and unloading. It is vital that the tray stays perfectly level (waterpas) to avoid liquid spillage.
- Monitoring Window: A thick, transparent lid (often made from acrylic) or viewing panel enables operators to monitor the liquid surface and bubble behavior during the process.
- Cleanliness Standards: Interior surfaces are highly polished to prevent moisture retention and ensure no contamination by chamber materials.

Typical Specifications (Based on industrial models such as GMC/Masevon):

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