What is TGV (Through Glass Via) Glass Substrate?
TGV glass substrates are advanced interconnection materials that involve forming vertical through-holes (vias) directly in a glass wafer or panel. These substrates are crucial components in cutting-edge electronic and microelectronic packaging applications, especially in 3D integration, MEMS devices, RF modules, optoelectronic interconnects, microfluidics, and biosensors.

Key advantages of TGV substrates include:
- Outstanding electrical insulation ve termal kararlılık, ensuring reliable performance under demanding conditions.
- Low dielectric constantiçin idealdir. high-frequency signal transmission, reducing signal loss and cross-talk.
- Excellent compatibility with heterogeneous integration ve miniaturization, allowing seamless integration of multiple functions in ultra-compact designs.
At Aydınlatma, we provide end-to-end TGV glass substrate customization and processing services tailored to the most demanding requirements of modern semiconductor and photonics applications.
Our TGV-Compatible Glass Materials
We supply and process a broad range of high-performance optical glass materials commonly used for TGV applications. Our selection includes both internationally renowned brands ve domestic specialty glass, ensuring optimal material choice for your specific application.
Material Name | Kalınlık Aralığı | Temel Özellikler |
---|---|---|
Borofloat® 33 (SCHOTT) | 0.11mm – 10mm | Excellent thermal resistance, low thermal expansion, high chemical durability |
SCHOTT B270 | 0.3mm – 6mm | High transparency and optical clarity, suitable for optoelectronic packaging |
These glass types are meticulously selected for their dimensional stability, optical performanceve machinability, making them the ideal base materials for TGV structures across multiple domains.



Our Capabilities in TGV Glass Substrate Processing
Olarak leading precision optical glass enterprise, Guangzhou Lighting Glass Co., Ltd. delivers state-of-the-art TGV machining services, leveraging a robust combination of equipment, expertise, and process control. We support a variety of via types and geometries to match the complexity of modern electronic packaging systems.
TGV Microhole Processing Techniques
- Laser Drilling – High-speed, high-accuracy non-contact drilling with minimal thermal impact
- CNC Mechanical Drilling – Ideal for larger via structures with tight tolerance control
Via Specifications and Customization Options
- Through-Hole Diameter Range: 30μm to 1mm
- Tolerance Control: Within ±5μm, ensuring precise via dimensions for advanced packaging
- Hole Types Supported: Through-Hole, Blind-Hole, Stepped Vias, based on design requirements
- Custom Via Array Design: We support bespoke hole arrays with controlled density, pitch, and layout patterns
- Surface Preparation: Smoothness and cleanliness guaranteed, suitable for post-drilling metallization or filling
Our in-house capability to control critical parameters like via size, wall quality, and depth uniformity enables us to meet strict industry standards for MEMS, RF, and optical device integration.
Typical Application Fields of Our TGV Glass Substrates
Thanks to the superior dielectric properties and excellent optical transparency of our glass materials, our TGV substrates are utilized across a broad range of high-tech industries:
3D Packaging & TSV Interconnection
TGV glass acts as an interposer or redistribution layer, facilitating vertical electrical connections ve stacking of chips or dies, vital for system miniaturization in mobile and computing platforms.
Millimeter-Wave RF Device & Filter Packaging
The low dielectric constant and high thermal stability of our glass make it perfect for RF signal transmission, especially in 5G, radar, and satellite communication systems.
Optoelectronic Chip Packaging & Optical Modules
Our transparent glass substrates are ideal for optical alignment, laser diode packagingve high-speed optical interconnects, enabling higher bandwidth in photonic integration.
Microfluidics & Biosensing Platforms
TGV substrates provide microchannel interfaces ve sample-injection points içinde lab-on-chip systems, supporting bioassays, DNA analysisve point-of-care diagnostics.
MEMS Component Support Structures
Our ultra-flat, stable glass substrates support cavity structures, cap layersve micromechanical component integration, essential for inertial sensors, pressure sensorsve microspeakers.
Why Choose Guangzhou Lighting Glass Co., Ltd. for TGV Glass Substrates?
With over 15 years of specialization in glass processing, we have developed deep technical know-how and optimized workflows that ensure consistency, quality, and scalability.
🔬 Sektör Uzmanlığı
Our engineering team has extensive experience in optical glass machining ve microfabrication, enabling us to solve complex challenges in precision via creation ve substrate design.
🏭 Advanced Equipment Infrastructure
We operate an in-house fleet of top-tier machines, including:
- Large-format CNC engraving systems
- High-precision laser drilling stations
- Waterjet and ultrasonic cutting units
- Ultrasonic cleaning systems
- Surface polishing and finishing tools
These resources allow us to handle orders of any scale, from sample prototyping için mass production.
Cleanroom-Grade Processing
All TGV substrates are processed in controlled environments, minimizing particulate contamination and maintaining substrate integrity for downstream metallization or wafer bonding processes.
Flexible Volume Support & Fast Lead Times
We cater to R&D samples, pilot productionve high-volume batch manufacturingsağlamak short delivery cycles ve global shipping capabilities to meet your project’s needs.
Partner with Us for High-Performance TGV Glass Substrates
As the authorized distributor of Corning Eagle XG®, Corning Pyrex® SG3.3, and SCHOTT BOROFLOAT® 33, Guangzhou Lighting Glass Co., Ltd. offers unmatched access to premium glass materials, backed by a robust processing infrastructure. Our commitment to hassas, innovationve customer-centric service makes us the trusted partner for leading semiconductor, photonics, and biotech companies.
Bugün bize ulaşın to discuss your TGV glass substrate requirements. Whether your project is in early prototyping or full-scale production, we provide tailored glass solutions that meet the highest performance standards in the industry.