Automated application of photovoltaic cells to printed circuit boards
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United States of America Patent
Stats
-
Mar 27, 2001
Grant Date -
N/A
app pub date -
Oct 1, 1997
filing date -
Oct 1, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved process for fabricating photovoltaic charging circuits including the steps of: 1. fabricating a circuit board by conventional techniques with photovoltaic piece mounting pads, islands, and traces suitable for interconnecting photovoltaic pieces in series with a LED and the cells of the rechargeable battery; 2. fabricating a suitable solder screen; 3. using the screen to apply solder dots to the piece mounting pads and the LED mounting pads; 4. using a pick and place machine to automatically place the pieces, conductive side up, onto the piece mounting pads and the LED onto the LED mounting pads; 5. heating the assembly to cause soldering of the rears of the pieces to the piece mounting pads and the LED to the LED mounting pads; and 6. electrically connecting the conductive sides to the islands.
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