Digital Effect

Open a new document 600x400 pixels.

Create a new layer ( press Ctrl+Shift+Alt+N )

Set the foreground color to #364ecc

Set the background color to #12195a

Select Gradient Tool and draw a vertical line from top to bottom.

Click to enlarge

Now we will create a new document because we will need a pattern.

Create a new document. Use this settings:

Zoom this document to 1600 %

With the pencil tool ( 1 Pixel brush ) create something like me:

The colors are #515151 for the square and #959595 for the middle point.

After you have create the same drawing as mine go to Edit > Define Pattern... Choose a name for this pattern and press Ok

Now let's come back to our initial document.

Create a new Layer ( press Ctrl+Alt+Shift+N )

Select the Paint Bucket Tool.

After that select the pattern we have created a few steps ago

And press one time on your document.

This is the result:

Now press one Add Layer Mask

Select Gradient tool and draw a vertical line from top to bottom.

The next step is to change the Blending mode for this layer to Overlay

This is my result:

Now with your Line Tool draw some horizontal lines ( Be sure you have the Line Weight set to 1 px )

Then start drawing some lines like in the following image ( it will be god if you create first one horizontal line and after that you can duplicate a few times and place it like me )

Click to enlarge

Now in Layers Palette select all the lines you have created and press Ctrl+E ( this will merge all layers in only one layer )

Now Go to Edit > Transform > Warp

Be sure you hit enter after you choose Flag option.

Click to enlarge

Now press one more time on Add Layer Mask

Select Gradient tool one more time and draw a vertical line from bottom to top

Click to enlarge

Now add some text and you are ready.

Click to enlarge

This technique is very good for banners , signatures or headers...