6

Soldering/Cleaning

Cleaning agents from the ketone family (acetone, methyl

ethyl ketone, etc.) and from the chlorinated hydrocarbon

family (methylene chloride, trichloro-ethylene, carbon

tetrachloride, etc.) are not recommended for cleaning LED

parts. All of these various solvents attack or dissolve the

encapsulating epoxies used to form the package of plastic

LED parts.

For information on soldering LEDs, please refer to Applica-

tion Note 1027.

Figure 7. Relative luminous intensity vs. angular displacement for HLMP-Cx25 and HLMP-Cx27.

1.0

0

ANGULAR DISPLACEMENT – DEGREES

0.8

0.6

0.5

0.7

0.2

-70 -60

0.1

0.3

0.4

-40

0

20

30

50

70

90

0.9

-90

-20

-80

-50

-30

-10

10

40

60

80

Figure 6. Relative luminous intensity vs. angular displacement for HLMP-Cx08 and HLMP-Cx10.

1.0

0

ANGULAR DISPLACEMENT – DEGREES

0.8

0.6

0.5

0.7

0.2

-20

-15

0.1

0.3

0.4

-10

0

5

10

15

20

25

0.9

-25

-5