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18 DESIGN007 MAGAZINE I JULY 2018 away. That's unfortunate; maybe their com- pany wouldn't let them stay away longer, or maybe they felt that class was all they needed. There are all levels of training at the confer- ences. Going back to my first class with Rick in the early '90s when I only understood a little of the information, at least I understood part of it. I got some ideas about how things should be done better, rather than just doing what I had been doing for years before that. I hope everyone in the business will strive to continue learning. Holden: Yes, because if they're coming to your class and they are relatively new, they're not going to know all of the nooks and crannies of design. So, what's their next step? Have you found any good books on printed circuit design? I haven't. Webb: No, I haven't found anything that is com- prehensive about designing. There are people out there who are looking at that possibility of coming up with comprehensive classes or books or courses. And as soon as someone gets that book or that class written, it will probably change because the technology is changing so quickly. The physics don't change, but the way we account for them sometimes does. A class you can always edit, and we all edit ours con- stantly, but books are a mammoth undertaking to edit and update. I've changed every one of my classes, includ- ing the basics class. I change them constantly because I might think of a different way to say something, or I find a new example to put in that might better show what I'm talking about. And I'm very much picture-oriented in my classes because I think that helps people to see what I'm talking about as opposed to just say- ing the words. I want them to see the words. Shaughnessy: Is there anything we haven't mentioned that you'd like to talk about, Susy? Webb: Just figure out a way to say, "People, get out there and learn something!" That would be great. But I think that goes both ways. Hon- estly, I've talked to many designers who've been given an opportunity, and they've said "No, I don't want to go to California, I don't want to take a day off work, or I'm too busy." Somebody has to address the designers and say, "You need to push this on management and make it happen." And I've pushed to the point of annoyance, I can tell you! Holden: I find it interesting that the CAD com- panies teach how to use their tools, but not how to design a PC board. And designing a PC board is more than learning how to use a tool. Webb: Exactly. And the managers who buy the products need to understand that. Shaughnessy: Well this has been really interest- ing, Susy. Thanks so much for your time. Webb: Thank you, Andy. DESIGN007 A team of engineers led by Tufts University has developed a proto- type bandage designed to actively monitor the condition of chronic wounds and deliver appropriate drug treatments to improve the chances of healing. "We've been able to take a new approach to bandages because of the emergence of flex- ible electronics," said Sameer Sonkusale, Ph.D. profes- sor of electrical and computer engineering at Tufts University's School of Engineering. Sonkusale and his team devel- oped flexible sensors for oxygen- ation. A microprocessor reads the data from the sensors and can release drug on demand. The smart bandages have been created and tested success- fully under in vitro conditions. Click here for more. Smart Bandages Designed to Monitor, Tailor, Treat Chronic Wounds

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