If you want to create Invisible Folder please follow these steps:

1. Go to character map and click on the blank Coloumn as shown in fig.

2. Now Click on Select Button and then on Copy Button (This copies a blank Space)
3. Create a New folder and Rename it and press Ctrl+V to paste the blank space.
4. Now right-click on this folder and  Click on Properties>>Customise>>Change Icon.
5. Now will get a popup windows with various icon.Select the blank Icon as shown in the figure below.

6. Click on ok.

Now you will get it.