MY125701A - A method of surface mounting an electrical component on a printed circuit board and apparatus thereof - Google Patents
A method of surface mounting an electrical component on a printed circuit board and apparatus thereofInfo
- Publication number
- MY125701A MY125701A MYPI9704572A MY125701A MY 125701 A MY125701 A MY 125701A MY PI9704572 A MYPI9704572 A MY PI9704572A MY 125701 A MY125701 A MY 125701A
- Authority
- MY
- Malaysia
- Prior art keywords
- pair
- longitudinal direction
- electrical component
- component
- circuit board
- Prior art date
Links
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
ON A PCB FORMED BY AN INSULATING SUBSTRATE HAVING ELECTRICAL CONDUCTORS ON A SURFACE, THERE IS PROVIDED AT LEAST ONE PAIR OF ELECTRICALLY CONDUCTIVE PADS (23, 24), ONTO WHICH AN ELECTRICAL COMPONENT CAN BE SURFACE MOUNTED USING SOLDER. EACH OF THE PADS (23, 24) OF THE PAIR HAS A TAPERED PORTION EXTENDING AWAY FROM THE OTHER OF THE PAIR SUCH THAT ITS WIDTH IS PROGRESSIVELY SMALLER IN THE LONGITUDINAL DIRECTION AWAY FROM THE OTHER OF THE PAIR SO AS TO REDUCE THE COMPONENT OF THE SURFACE TENSION FORCES IN THE LONGITUDINAL DIRECTION FORMED WHEN THE SOLDER IS IN THE MOLTEN STATE, THEREBY REDUCING THE LIKEHOOD OF MISALIGNMENT OR TOMBSTONING OF THE COMPONENT, AS COMPARED TO RECTANGULAR PADS (4,5) WHERE THE MAJORITY OF THE FORCE ACTS IN THE LONGITUDINAL DIRECTION.(FIG. 7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9704572 MY125701A (en) | 1997-10-01 | 1997-10-01 | A method of surface mounting an electrical component on a printed circuit board and apparatus thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9704572 MY125701A (en) | 1997-10-01 | 1997-10-01 | A method of surface mounting an electrical component on a printed circuit board and apparatus thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
MY125701A true MY125701A (en) | 2006-08-30 |
Family
ID=47264543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI9704572 MY125701A (en) | 1997-10-01 | 1997-10-01 | A method of surface mounting an electrical component on a printed circuit board and apparatus thereof |
Country Status (1)
Country | Link |
---|---|
MY (1) | MY125701A (en) |
-
1997
- 1997-10-01 MY MYPI9704572 patent/MY125701A/en unknown
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