Hello everyone! Today, we will discuss some basic knowledge about mechanical keyboard keycaps. Keycaps are the surface of any keyboard and significantly impact sound, feel, appearance, and overall user experience. We will explore the following four aspects:
01 Keycap Sets and Sizes
Keycap Sets
Keycaps are the plastic pieces that cover each mechanical switch and are an essential part of DIY keyboards. When purchasing keycaps, they are usually categorized into different sets (kits) based on the keys they cover:
- Base Set: Includes alpha, modifier, and numeric keys, suitable for most traditional layouts.
- Custom Keycap Set: Contains specially designed keycaps to enhance personalization options.
- NUMPAD Set: Specifically designed for the numeric keypad.
- SPACEBAR Set: Provides spacebars of different lengths to fit various layouts.
The base set covers most traditional layouts, such as 60%, TKL, and 75%. Supplementary kits provide support for unconventional sizes (like 40% or Mac keyboards).
Keycap Sizes
Keycap sizes are denoted in "u," where 1u is the smallest unit. Other keycap lengths are proportionally based on 1u. For example, the standard "tab" key is 1.5u. Understanding the required keycap sizes for keyboard layouts is crucial, as it affects the position of the mechanical switches on the PCB.
02 Keycap Height
Keycap heights and shapes can vary, influencing both feel and sound. Some keycaps have different heights across rows (Sculpted Profile), while others maintain the same height in each row (Uniform Profile). Here are some popular profiles:
- Cherry Profile Keycaps: Different heights that need to be installed according to row specifications.
- DSA Profile Keycaps: Same height across all rows, allowing for flexible arrangement.
- XDA Profile Keycaps: Offers a wider surface area for a comfortable typing experience.
- SA Profile Keycaps: Tall and sculpted, providing a vintage feel.
- MDA Profile Keycaps: A middle-ground option with a unique shape.
- MOA Profile Keycaps: Known for its distinct curvature and ergonomic design.
- OSA Profile Keycaps: Features a sculpted design for enhanced comfort.
- ASA Profile Keycaps: Combines modern aesthetics with traditional shapes.
- KAT Profile Keycaps: A newer profile that emphasizes comfort and style.
- SOA Profile Keycaps: Offers a unique sculpted design with a focus on aesthetics.
03 Keycap Materials and Manufacturing Methods
Keycap Materials
Keycaps are typically made from one of two types of plastic:
- ABS: Produces a crisp sound, offers a wide range of color options, and is suitable for double-shot molding.
- PBT: Produces a thicker sound, is more durable, and resists oil over time.
Additionally, keycaps can also be made from metal and ceramic materials.
Manufacturing Methods
Common manufacturing methods include:
- Double-shot Molding: Combines two plastics, suitable for complex designs.
- Dye Sublimation: Laser-etched designs filled with dye, ideal for PBT keycaps.
- Laser Engraving: Etches designs onto fully dyed keycaps, primarily used for backlit keycaps.
- UV Printing: Applies pigment to keycaps and cures it, suitable for various patterns.
04 Keycap Naming
Understanding keycap naming conventions helps in selecting the right keycaps. Different brands and models may have varying naming systems, so it’s advisable to research relevant information before purchasing. Familiarity with terms like low profile keycaps, Cherry profile keycaps, and low profile WASD keycaps can enhance your shopping experience.
05 Understanding Backlit Keycaps
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Improved Visibility: Backlit keycaps make it easier to see the keys in dimly lit environments, reducing typing errors and enhancing the overall user experience.
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Aesthetic Enhancement: The glow from backlit custom keycaps can transform the appearance of your keyboard, making it a centerpiece of your gaming or workspace setup.
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Customization Options: With a variety of choices available, users can select PBT backlit keycaps or explore different styles of custom backlit keycaps to suit their preferences.
