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Pattern Design
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UL standards certification list
Hemmi Slide Rule Co., Ltd. Last revision in April 2017
Material name Maker ANSI
grade
Minimum
board
thickness
(mm)
Coper foil thickness
(μm)
Single-
sided (S)
Double-
sided (D)
Multilayer
(M)
Pattern limits (mm) Operating
temperature
(°C)
UL94
flammability
class
Solder
limits
(°C/sec)
Minimum
conductor
width
Unpierced
conductor
diameter
Edge
conductor
minimum
width
MCL-BE -67G#
Hitachi FR-4.1 0.38 18 - 105 M 0.02 50.8 0.06 130 V-0 260/20
MCL-BE-67G
Hitachi FR-4.1 0.38 18 - 105 S/D 0.02 50.8 0.06 130 V-0 260/20
R-1566
Panasonic FR-4.1 0.38 18 - 105 S/D 0.02 50.8 0.06 130 V-0 A
R-1561
Panasonic FR-4.1 0.38 18 - 105 S 0.02 50.8 0.06 130 V-0 A
R-1586
Panasonic CEM-3 0.90 18 - 105 S/D 0.02 50.8 0.06 130 V-0 A
R-1581
Panasonic CEM-3 0.90 18 - 105 S 0.02 50.8 0.06 130 V-0 A
MCL-E-67S
Hitachi FR-4.0 0.20 18 - 210 M 0.02 50.8 0.06 130 V-0 ##
MCL-E-679S
Hitachi FR-4.0 0.20 18 - 175 M 0.02 50.8 0.06 130 V-0 ##
EG-8##
Hitachi FR-4.0 0.20 18 - 210 M 0.02 50.8 0.06 130 V-0 260/20
20A Multiwave FR-4.0 0.38 18 - 105 M 0.02 50.8 0.06 130 V-0 260/20
25 Multiwave FR-4.0 0.38 18 - 105 M 0.02 50.8 0.06 130 V-0 260/20
NH1-0 Nihon Maruchi FR-4.0 0.38 18 - 105 M 0.02 50.8 0.06 130 V-0 260/20
NH3 Nihon Maruchi FR-4.0 0.38 18 - 105 M 0.02 50.8 0.06 130 V-0 260/20
C-1810 Panasonic FR-4.0 0.38 18 - 105 M 0.02 50.8 0.06 130 V-0 260/20
C-1850 Panasonic FR-4.0 0.38 18 - 105 M 0.02 50.8 0.06 130 V-0 260/20
C-1850D Panasonic FR-4.0 0.38 18 - 105 M 0.02 50.8 0.06 130 V-0 260/20
C-1850E Panasonic FR-4.0 0.38 18 - 105 M 0.02 50.8 0.06 130 V-0 260/20
MCL-E-67
Hitachi FR-4.0 0.20 18 - 210 S/D 0.02 50.8 0.06 130 V-0 A, AA
MCL-E-679
Hitachi FR-4.0 0.20 18 - 210 S/D 0.02 50.8 0.06 130 V-0 #, A, AA
CEL-614G
Hitachi FR-4.0 0.20 18 - 150 S/D 0.02 50.8 0.06 130 V-0 260/20
R-1705 Panasonic FR-4.0 0.38 18 - 105 S/D 0.02 50.8 0.06 130 V-0 A, AA
FR-4.0-86
Nan Ya FR-4.0 0.38 18 - 105 S/D 0.02 50.8 0.06 130 V-0 $, $$
ELC-4762
Sumitomo FR-4.0 0.38 18 - 105 S/D 0.02 50.8 0.06 130 V-0 $, $$
L-6504C2
Nikkan FR-4.0 0.20 18 - 105 S/D 0.02 50.8 0.06 130 V-0 A, $, $$
R-1786
Panasonic CEM-3 0.64 18 - 105 S/D 0.02 50.8 0.06 130 V-0 A, $$
L-6524C2
Nikkan CEM-3 0.64 18 - 105 S/D 0.02 50.8 0.06 130 V-0 AA, $$
L-6524T600C2
Nikkan CEM-3 0.64 18 - 105 S/D 0.02 50.8 0.06 130 V-0 A
Multiple solder limits condition
Note that soldering temperature and time limits vary depending on the acquisition process. Contact us for more information.
# a Preheat   200/60 min. A a Preheat 180/60 min. $ a Preheat 180/20 min.
b Reflow 260/40 sec. b Reflow 240/40 sec. b Reflow 240/40 sec.
c Deep solder 260/30 sec. c Deep solder 260/20 sec. c Deep solder 260/20 sec.
## a Preheat 200/60 min. AA a Preheat 200/60 min. $$ a Preheat 180/20 min.
b Reflow 260/10 sec. b Reflow 260/10 sec. b Reflow 250/10 sec.
c Deep solder 260/20 sec. c Deep solder 260/20 sec. c Deep solder 260/20 sec.
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