This picture is from the Wafer Processing chapter of the first book, IC Layout Basics: A Practical Guide. It shows that masks cast shadows. You know, like doing hand shadow puppets on the wall. However, this illustration was bumped out of the book. It was replaced with a more mundane series of alphabet letters, ABC. (If you read the book you will see that I complained about not being able to use this illustration.) So, here it is. The duckie picture.

Figure Outtakes-1: The duckie picture.

I saved this because instead of scribbling out an error, Chris left it, wrote the word "mistake" and drew a line to it.Chris doesn't know why I think labeling it is funny. He says, "Well, how else would you know where the mistakes are?" which just makes me laugh even harder. This was drawn for the Standard Cell Techniques chapter, by the way. I was tempted to include the extra line in the chapter illustration, with the label, of course. But I didn't.

Figure Outtakes-2: Components like NAC diodes, power wires and mistakes all must obey the design rules.

Chris had written editing notes on a preliminary manuscript of the Basic Circuit Theory chapter of the first book. As I was entering his changes, I got to page...