Laser-induced deep etching
Laser induced deep etching system
Operating
Model: Vitrion M 5000 Gen2
Function: 1.Fabricate glass through-holes
2.Fabricate glass cavities (through cavities and blind cavities)
Engineer: Tian / +86-21-34206126-6031 / miaotian@1
Location: East Area,Compound Semiconductor Zone
Equipment ID: ECS0LED01
  • Basic Equipment Information
  • Operating Principle
  • Typical Application Case
Main Application

This equipment is primarily used for laser-induced modification of glass substrates. After modification, wet etching enables the fabrication of through-glass vias (TGVs), glass cavities, and blind cavities.The resulting structures feature clean edges with no debris or micro-cracks and high geometric accuracy, making them suitable for bonding processes and TGV-based applications.

 

Process/Testing Capabilities

  • Via diameter ≥ 10 μm
  • Through-hole depth up to 500 μm
  • Typical aspect ratio: 10:1 (depth:diameter), up to 50:1 max
  • Taper angle: 0.7°–8°

 

Technical Specification
  • Maximum modification depth: 500 μm
  • Supports all standard wafer sizes: 100 mm, 150 mm, 200 mm, 300 mm, and 450 mm
  • Substrate size: ≤ 510 × 510 mm²
  • Wafer thickness: ≤ 500 μm; fragmented wafers and non-standard (irregular) wafers are not supported

Laser-induced deep etching (LIDE) is a process that utilizes laser-induced modification on the substrate surface. Based on the designed pattern, the glass is selectively modified by laser irradiation. The modified regions exhibit a significantly higher etch rate than the unmodified material. Subsequently, wet etching is employed to form structures that meet the required design dimensions.

TGV / Trenching Process Flow:
Pattern definition followed by laser-induced modification
Wet etching to form through-glass vias (TGVs) and cavity structures

 

Fragmented wafers and non-standard (irregular) wafers are not permitted.Non-glass materials and powder samples are not accepted.Advance notice at least one day prior is required

The list below shows FAQs (click a question to view the answer). If your question is not listed, you can leave a message using the link.
FAQs
  • 01
    Supported Pattern File Formats

    DXF

  • 02
    Supported Glass Types

    Recommended materials include BF33, AF32, and Corning 7980 (fused silica), among others.

Message Inquiry
If your question is not listed above, please email us at aemd@sjtu.edu.cn or click the button below to submit an inquiry.
Note: "@1" represents "@sjtu.edu.cn"
×