sp01u5p2 - Unit Five Microsystems Technology Unit V...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Unit Five Microsystems Technology Project Oceanography Spring 2001 66 Unit V Microsystems Technology A major portion of the information for this unit was obtained from “Beyond 2000 Micromachines and Nanotechnology” by David Darling. On the cutting edge… Scientists at the University of South Florida’s Center for Ocean Technology are the explorers of today discovering new worlds at the micro environmental level. Using new technology developed from studying nature, they have created affordable microsensors that can be used to make chemical, biological, and physical measurements in the ocean. In addition, they are testing sensors that may be used in human fluids such as blood, to make disease fighting in the future a less invasive procedure. Introduction to Microsystems Lesson Objectives: Students will be able to do the following: Name the inventors of the first miniature machines Describe a microchip Name two reasons why developing micromachines is important Key concepts: mechanical, electronic, diode, triode, transistor, conductor, insulator, semiconductor, dopant, microchip, micromachine History of Micromachines The first miniature machines were actually elaborate mechanical toys produced by the Chinese about 200 B.C. These toys relied on the simple principles of physics that dealt with the movement of small parts. Through the centuries people began to realize that mechanization could also be used for practical purposes. For instance prior to the 1500’s, clocks were driven by huge weights that made them extremely large and bulky. A German locksmith using the Chinese technology developed a mainspring to replace the huge weights. The mainspring was a coil of wire that allowed the gears to move as it unwound. By replacing the weights with this very small lightweight item, the clock became portable, which led to the watches that we have today. From these beginnings, there was a proliferation of inventions on a small scale. Miniaturization allowed items to be used in a wider variety of ways. Eventually complex machines that fit into very small spaces were designed to efficiently perform complicated tasks. During this transition period inventors were able to refine many of
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Unit Five Microsystems Technology Project Oceanography Spring 2001 67 the problems associated with simple mechanical devices. At the same time, other researchers were discovering electricity and its properties. The discovery of the electron by J.J. Thomson in the 1890’s led to the invention of the diode in the 1900’s by John Fleming. This signified the beginning of the electronic age. The diode consists of two pieces of metal known as electrodes inside a vacuum tube. As the first electrode is heated, it releases a flow of electrons to the second electrode. This flow of electrons only goes in
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 11

sp01u5p2 - Unit Five Microsystems Technology Unit V...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online