The
following images can be down-loaded and used for experimentation
and projects. Click on an image to enlarge it and download
it if desired. The complete set of images in all
Image Gallery pages can be downloaded in one operation (please go to
"Downloads" on the navigation bar to learn how). Note
that many of these images are copyrighted and should be used
only for individual educational purposes. The images should not
be published or used for any other purpose.
IMAGE
NAME
No.
SIZE
COMMENTS
sem_cdrom.gif
58
216
x 288
Scanning electron micrograph (SEM) of the data surface from a CD-Rom disk.
The parallel lines are called Atips. Data is stored on Atips as lands and pits which represent binary code
information.
tungsten_flmt.jpg
59
535
x 576
SEM
of failed tungsten projection lamp filament after approximately 200 hours of use.
Magnification is about 250X.
tungsten_flmt_support.jpg
60
298
x 252
Support
of the tungsten filament above. Magnification is approximately
130X.
stainless_steel.gif
61
333
x 330
Stainless
steel fusion line obtained in black and white with a scanning electron microscope.
Magnification is approx. 150X.
semiconductor1.gif
62
384
x 384
Scanning
Tunnelling Microscope image of semiconductor. Oscillations
were caused by impurities (large lumps) on an n-type GaAs surface.
Rows of As atoms (running diagonally) can be seen clearly
.
alum_can.gif
63
421
x 450
Focused
Ion Beam image showing cross-section into an aluminum beverage can.
The polymer label on top of the aluminum is clearly visible,
and manganese silicate particles can be seen amid the aluminum grain
lacquer_conf.jpg
64
324
x 342
Confocal (laser) microscope
image showing an x-y section through a metallic lacquer. The metallic particles
seen in the image are about 30 microns below the lacquer surface. The image is approx.
250 microns across.
blown_ic_lr.gif
65
188
x 250
Low-resolution
SEM image showing an integrated ckt which was given an overload current
and subsequently failed thermally. The fibers are oxides which formed and
grew out of the device during thermal destruction.
blown_ic_mr.gif
66
375
x 500
Same
image in medium resolution.
blown_ic_mhr.gif
67
749
x 1000
Image
in medium-to-high resolution.
blown_ic_hr.gif
68
1497
x 2000
Image
in high resolution. Magnification in these images is
approximately 2500X, and images are approximately 45 microns
across.
