BGA Heatsink

Thermalweb

2004-05-14 06:07:02 UTC

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<DIV align=center><FONT face="Verdana, Arial, Helvetica, sans-serif"
size=2><B><FONT color=#000033>AL.Heatsinks Physical Property Of
Radiator</FONT></B></FONT></DIV></TD></TR>
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<P><FONT face="Verdana, Arial, Helvetica, sans-serif" color=#000066
size=2>1.there are two types of radiator in general, the one is
free-air cooling radiator, and the other, forced-air cooling <FONT
color=#ffffff>--</FONT>radiator. When forced-air cooling radiator is
used, its cooling efficacy will be 2-3 times of that of a free-air
<FONT color=#ffffff>------</FONT>cooling radiator<A
href="items/p1.htm">.</A></FONT></P></TD></TR>
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<TD height=20><FONT face="Verdana, Arial, Helvetica, sans-serif"
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<TD height=12><FONT face="Verdana, Arial, Helvetica, sans-serif"
color=#000066 size=2>2.Aluminum alloy 6063-T5 is used as material
for radiator production<A href="items/p2.htm">.</A></FONT></TD></TR>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" color=#000066
size=2>3.Anode surface disposal:The isnulated erosion-proof membrane
has a black-body heat radiator effect.</FONT></TD></TR>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" color=#000066
size=2><FONT color=#ffffff>--<FONT color=#000066>Transparent
membrane : It is coated with a transparent erosion-proof
membrane.</FONT></FONT></FONT></TD></TR>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" color=#ffffff
size=2>--</FONT><FONT face="Verdana, Arial, Helvetica, sans-serif"
color=#000066 size=2>Golden color membrane : It is coated with
chromic acid membrane<A href="items/p3.htm">.</A></FONT></TD></TR>
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<TD height=19><FONT face="Verdana, Arial, Helvetica, sans-serif"
color=#ffffff size=2>--</FONT><FONT
face="Verdana, Arial, Helvetica, sans-serif" color=#000066
size=2>Plain membrane : It is not disposed, to be used when electric
conditions is required.</FONT></TD></TR>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" color=#000066
size=2>4.When install a radiator , there is a great difference in
environment conditions with regard to the installed <FONT
color=#ffffff>--------</FONT>components, son many uncertain factors
are involved<A href="items/p4.htm">.</A></FONT></TD></TR>
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<TD height=20><FONT face="Verdana, Arial, Helvetica, sans-serif"
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" color=#000066
size=2>5.Regarding heat releasing amount of a radiator, the surface
area of heat dissipating fins is in proportion to the <FONT
color=#ffffff>----</FONT>total area<A
href="items/p5.htm">.</A></FONT></TD></TR>
<TR>
<TD height=20><FONT face="Verdana, Arial, Helvetica, sans-serif"
color=#000066 size=2></FONT></TD></TR>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" color=#000066
size=2>6.Regarding heat releasing amount of a radiator, the surface
temperature of heat dissipating fins is in proportion<FONT
color=#ffffff> ---</FONT>to difference of ambient temperature<A
href="items/p6.htm">.</A> </FONT></TD></TR>
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<TD height=20><FONT face="Verdana, Arial, Helvetica, sans-serif"
color=#000066 size=2></FONT></TD></TR>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" color=#000066
size=2>7.When the surface color of a radiator is in black, its heat
releasing efficiency would be higher<A
href="items/p8.htm">.</A></FONT></TD></TR>
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<TD height=20><FONT face="Verdana, Arial, Helvetica, sans-serif"
color=#000066 size=2></FONT></TD></TR>
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<TD height=15><FONT face="Verdana, Arial, Helvetica, sans-serif"
color=#000066 size=2>8.If the heat dissipating fins are mounted in a
vertical direction, a much better efficacy can be obtained<A
href="items/p8.htm">.</A></FONT></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
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