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Over the years, PTC has accumulated rich experience in providing customized solutions for the inspection of a variety of materials, including glass, plastics, crystal, ceramic substrates, etc.
Polariscope // Polariscope
Polariscope is a valuable optical instrument designed to observe, analyze, and measure internal stress within transparent materials, such as glass, plastic, crystal, and others. Internal stress can lead to defects, weaknesses, or failures in the material.
> Strain Viewer > Polarimeter
Surface Stress Meter // Surface Stress Meter
A Surface Stress Meter is an essential tool in the quality control process for tempered glass products, such as phone glass panels, LCD panels, and other tempered glass panels.
> Surface Stress Meter for Chemically Tempered Glass
Other Equipment // Other Equipment
It mainly includes a Polarizer Sheet Axis Measuring Instrument and a Glass Thickness Gauge. This former equipment is crucial for ensuring the correct orientation of polarizer sheets to achieve the desired optical properties and performance. Accurate alignment of the polarizer axis is critical in applications like LCD screens.
> Polarizer Sheet Axis Measuring Instrument > Glass Thickness Gauge
Semiconductor Equipment // Semiconductor Equipment
Our Semiconductor Equipment series mainly includes Scanning Acoustic Tomography, Direct Imaging Equipment, Ceramic Substrate, and Chip Tray Defect Inspection Equipment. By integrating these advanced inspection and imaging technologies, we can significantly enhance the quality control process in semiconductor manufacturing.
> DBC Cosmetic Defect Automatic Optical Inspection Equipment > AMB Cosmetic Defect Automatic Optical Inspection Equipment > AMB Solder Defect Automatic Inspection Equipment
New Energy Equipment // New Energy Equipment
Our New Energy Equipment series mainly includes Screen Printing Inspection and Rework Equipment, Frame Stretching Equipment and Mesh Hot Melt Machine. PTC provides one-stop solution from printing screen stretching, exposure to AOI inspection and rework ,streamline the entire screen printing process, making it more efficient and cost-effective for customers.
> Screen Printing Frame Stretching Equipment > Screen Printing Mesh Hot Melt Machine > Printing Screen Integrated Inspection And Rework Equipment
Featured Equipment
Bench Type Polariscope
Observe the internal stress and stress distribution of transparent glass, plastic and crystal products with our Bench Type Polariscope PSV-202. From the observation of colored patterns, the annealing process can be evaluated and improved.
01
Bench Type Polariscope
Manually Operated Polarimeter
Gain insight into residual stress within transparent materials with our Manually Operated Polarimeter PSV-413. Adopting the principle of photoelasticity, this instrument qualitatively measures optical retardation.
02
Manually Operated Polarimeter
PET Preform Strain Viewer
Visualize crystallization and other common defects that are invisible under natural light with our PET Preform Strain Viewer PSV-801. Crafted for quality control across various plastic processing stages.
03
PET Preform Strain Viewer
Fully Automatic Polarimeter 145
Experience stress measurement at the most convenience with our Fully Automatic Polarimeter NMV-145. Detect retardation with high precision in transparent products exhibiting birefringence. Input sample specifics for instant stress value display, streamlining your workflow effortlessly.
04
Fully Automatic Polarimeter 145
Scanning Acoustic Tomography
Revolutionize internal defect inspection and locate the defect position with our Scanning Acoustic Tomography DE-U. This advanced system leverages the power of an acoustic microscope combined with automatic loading, unloading, and intelligent detection algorithms. The scanning process is entirely non-destructive and fully automatic.
05
Scanning Acoustic Tomography
Laser Direct Imaging Equipment
Elevate your screen printing plate-making process with our Direct Imaging Equipment LTS1011. Not only does it eliminate film preparation, alignment deviation and image distortion in traditional exposure processes, but it also ensures the quality of printed materials.
06
Laser Direct Imaging Equipment
ABOUT US

Suzhou PTC Optical Instrument Co., Ltd. established in 2008, is a high-tech enterprise integrating R&D, manufacturing, sales and service for 3C, PCB, Semiconductor and New Energy sectors.

MORE ABOUT PTC
2600+

Our Customers

160 +

Authorized Patents

60 %

R&D Staff Ratio

20,000 ㎡

Total Area

Our Customers
corning
zeiss
focco toc
samsung
byd
schott glass made of ideas
lens
shiseido
hoya
foxconn
amec
konica minolta
locknlock
heraeus
monocrystal
tiffany & co.
ghani
motherson
ameriplas
biel
fuyao group
dso
alrehab erfumes
serac
essilor
normax
imre
stovekraft
dynapack
dyson
Latest Blogs & News
Benefits of Using AMB/DBC Automatic Film Repairing Equipment in Electronics Manufacturing
31
Jul
2025
Benefits of Using AMB/DBC Automatic Film Repairing Equipment in Electronics Manufacturing
In today’s fast-paced electronics manufacturing industry, the requirement for precision and efficiency is paramount. As companies strive to deliver high-quality products at competitive prices, the ro...
Read More >
Advantages of Laser Direct Imaging Equipment over Traditional Exposure Systems in Screen Mesh Fabrication
21
Jul
2025
Advantages of Laser Direct Imaging Equipment over Traditional Exposure Systems in Screen Mesh Fabrication
In the field of screen printing, the quality of screen making directly determines the final print accuracy and consistency. Traditionally, exposure processes rely on film-based methods and matching ex...
Read More >
High-Precision DBC Machine: Solving Power Electronics Packaging Quality Challenges
11
Jul
2025
High-Precision DBC Machine: Solving Power Electronics Packaging Quality Challenges
Ceramic substrates are a critical material in high-power electronics packaging, directly impacting device thermal management, electrical stability, and overall reliability. In sectors such as new ener...
Read More >
CONTACT PTC FOR DETAILED SOLUTIONS
Contact Us
Products
Polariscope Surface Stress Meter Other Equipment Semiconductor Equipment New Energy Equipment
Featured Products
Bench Type Polariscope Manually Operated Polarimeter PET Preform Strain Viewer Automatic Polarimeter Scanning Acoustic Tomography Direct Imaging Equipment
Quick Links
Document Download Video Blog About PTC
Tel:
86-512-57925888
E-mail:
sales@ptcstress.com
No.581, Hengchangjing Road, Zhoushi Town, Kunshan City, Jiangsu Province, China
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CONTACT PTC FOR DETAILED SOLUTIONS
Chat with us
Products
Polariscope Surface Stress Meter Other Equipment Semiconductor Equipment New Energy Equipment
Featured Products
Bench Type Polariscope Manually Operated Polarimeter PET Preform Strain Viewer Automatic Polarimeter Scanning Acoustic Tomography Direct Imaging Equipment
Quick Links
Document Download Video Blog About PTC
Contact Us
No.581, Hengchangjing Road, Zhoushi Town, Kunshan City, Jiangsu Province, China
sales@ptcstress.com 86-512-57925888
Sitemap Privacy Policy