Friends often ask, how many types of laser-drilled hole shapes are there in TGV? What are their applications? How many hole types are there in TGV? The most common are three types:
- Hourglass shape: Narrow in the middle, wide at both ends
- Tapered shape: Wide at the top, narrow at the bottom
- Straight wall shape: Equal width at the top and bottom
What are the differences in applications for different TGV hole shapes?
| Feature | X Shape | Taper | Straight |
|---|---|---|---|
| Copper fillability | Poor, prone to voids | Easy to fill | Slightly difficult |
| Processing difficulty | Medium | Low | High |
| Suitable products | General packaging | General packaging | High-density packaging, high-frequency SiP |
| Signal integrity | Poor | Average | Excellent |
| Thermal stress concentration | Present | Moderate | Lowest |
Disclaimer:
- This channel does not make any representations or warranties regarding the availability, accuracy, timeliness, effectiveness, or completeness of any information posted. It hereby disclaims any liability or consequences arising from the use of the information.
- This channel is non-commercial and non-profit. The re-posted content does not signify endorsement of its views or responsibility for its authenticity. It does not intend to constitute any other guidance. This channel is not liable for any inaccuracies or errors in the re-posted or published information, directly or indirectly.
- Some data, materials, text, images, etc., used in this channel are sourced from the internet, and all reposts are duly credited to their sources. If you discover any work that infringes on your intellectual property rights or personal legal interests, please contact us, and we will promptly modify or remove it.