TEM Products
Bare TEM Grids – Square Mesh
Standard square mesh TEM grids without support film, designed for general sample preparation and custom coating applications.
Description
🔹 Description
Product: Transmission Electron Microscopy (TEM) Grids
Type: Bare grids with square mesh (no supporting film)
Square mesh TEM grids are the most commonly used support substrates for routine TEM analysis, providing a stable structure for sample mounting while allowing electron transmission through the open mesh.
🔹 Specifications
| Product: | Transmission electron microscopy (TEM) grids / copper (Cu) grids |
| Model: | Bare grids with square mesh and without supporting film |
| Grid diameter: | 3.05 mm |
| Mesh: | 50 – 2000 mesh |
| Material: | Cu / Mo / Ni / Au / Al / W / SS / Nylon |
🔹 Mesh & Opening Size
| Mesh | Hole Size / µm | Line Width / µm |
| 50 | 420 | 80 |
| 75 | 285 | 55 |
| 100 | 205 | 45 |
| 150 | 125 | 40 |
| 175 | 108 | 37 |
| 200 | 90 | 35 |
| 250 | 70 | 30 |
| 300 | 58 | 25 |
| 400 | 37 | 25 |
| 1000 | 19 | 5 |
| 2000 | 7.5 | 5 |
🔹 Key Features
- Standard 3.05 mm TEM grid format
- Square mesh structure for uniform support
- Wide mesh range (50–2000) for different resolutions
- Multiple material options for chemical compatibility
- Ideal base substrate for film coating
🔹 Applications
- TEM sample support and preparation
- Nanoparticle and thin film deposition
- Base substrate for carbon / formvar coating
- Routine transmission electron microscopy analysis
How to Select Square Mesh TEM Grids
- Material Selection
Cu: general use
Au: inert / corrosion-resistant
Ni: chemical resistance
- Mesh Selection
200–400 mesh: standard TEM use
Lower mesh: larger openings
Higher mesh: finer support
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