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L2570 Schematic ( PDF Datasheet ) - Hamamatsu

Teilenummer L2570
Beschreibung Super Quiet Mercury-Xenon Lamps
Hersteller Hamamatsu
Logo Hamamatsu Logo 




Gesamt 14 Seiten
L2570 Datasheet, Funktion
t4U.com SMUEPRECRU-RQYU-IXEETNON LAMPSPATENT
DEEP UV LIGHT SOURCE
FOR PRECISION MEASUREMENT
www.DataShee heet4U.comA Mercury-Xenon Lamp is a special lamp designed to
Sprovide high radiant energy in the ultraviolet region.
Since an optimum mixture of mercury and xenon gas is
taenclosed, this lamp offers the characteristics of both
Xenon lamps and super-high-pressure Mercury lamps.
aFor example, the spectral distribution of a Mercury-Xe-
non Lamp includes a continuous spectrum from ultra-
.Dviolet to infrared of the xenon gas and strong mercury
line spectra in the ultraviolet to visible range. In com-
parison to super-high-pressure mercury lamps, the ra-
wdiant spectrum in the ultraviolet region is higher in in-
tensity and sharper in width. The Mercury-Xenon Lamp
also features instantaneous starting and restarting, which
ware difficult with super-high-pressure mercury lamps,
mthus making them an excellent choice as ultraviolet light
w osources.
.cConventional Mercury-Xenon Lamps have a shortcom-
Uing in that the arc point fluctuates and moves gradually
t4with operating time as a result of the cathode erosion.
eHamamatsu has used its many years of experience and
eexpertise in the fields of photonics to produce Super-
hQuiet (SQ) Mercury-Xenon Lamps. The Hamamatsu SQ
SMercury-Xenon Lamps employ a specially developed
tacathode which has minimized the cathode erosion, thus
aallowing extremely high stability and long life.
FEATURES
High stability
Fluctuation (p-p) ..................... 1.0 % (Typ.)
2.0 % (Max.)
Drift .................................... ±0.5 % /h (Typ.)
Long life
Guaranteed life .................. 500 h to 1000 h
Average life ...................... 1000 h to 2000 h
Virtually no arc point shift ....... 0.1 mm (Max.)
Instantaneous starting and restarting
High intensity in deep UV region
Point light source, High luminance
APPLICATIONS
Wafer Inspection
Semiconductor annealing
Fluorescent microscope
Blood analyzer
UV curing for epoxies, etc.
Interferometer, Refractometer
Microfilm enlarger
w.DSubject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
wInformation furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are
wsubject to change without notice. No patent rights are granted to any of the circuits1described herein. ©2000 Hamamatsu Photonics K.K






L2570 Datasheet, Funktion
SUPER-QUIET MERCURY-XENON LAMPS
Type No.
Remarks
Power Arc
Con- Length
sumption
(W) (mm)
Outline
Window Material
Lamp Lamp
Current Voltage
(A dc) (V dc)
Supply Trigger
Voltage Voltage
Typ.
(V dc) (kV)
L2421 50 W, Cathode Metal Base 7.5 mm
50
1.0
Fused Silica 3.5±0.5 14 50 15
L2481 75 W, Cathode Metal Base 9 mm
L2481-01 75 W, Cathode Metal Base 7.5 mm
75
1.0
Fused Silica 5.4±0.5 14 50 15
L2481-02 75 W, Metal Base with Screw
L2422 100 W, Cathode Metal Base 9 mm
L2422-01 100 W, Cathode Metal Base 7.5 mm
L2422-02 100 W, Metal Base with Screw
L7046
100 W, Ozone-free Silica Bulb,
Metal Base 9 mm
L2482 150 W, Metal Base with Screw
L7047
150 W, Ozone-free Silica Bulb,
Metal Base with Screw
L2423 200 W, Metal Base with Screw
L2423-01 200 W, Metal Base 12.7 mm
L2570
L2570-01
200 W, Ozone-free Silica Bulb,
Metal Base with Screw
200 W, Ozone-free Silica Bulb,
Metal Base 12.7 mm
L2483 350 W, Metal Base with Screw
L2917
350 W, Ozone-free Silica Bulb,
Metal Base with Screw
L2424 500 W, Metal Base with Screw
100
150
200
350
500
1.3
1.7
2.0
2.5
3.0
Fused Silica
5.5±0.5 18 50 15
Ozone-free Silica
Fused Silica
7.5±0.5 20 65 20
Ozone-free Silica
Fused Silica
8.0±0.5 24 65 20
Ozone-free Silica
Fused Silica
14.0±1.0 25 70 30
Ozone-free Silica
Fused Silica 20.0±1.0 25 70 30
NOTE: Open-circuit voltages necessary for certain lighting of lamps.
The life end is defined as the time when the radiant intensity falls to 50 % of its initial value or when the output fluctuation exceeds ±1 %.
L2421
L2481
L2481-01
2
+
UP
7.5
12
2
+
UP
9
14
2
+
UP
9
14
7.5
2 METAL BASE
9
2 METAL BASE
7.5
2 METAL BASE
L2481-02
M2.3
+
UP
9
14
TLSXA0045EB
L2422, L7046
2
+
UP
9
14
TLSXA0005EB
L2422-01
TLSXA0006EB
2
+
UP
9
14
9
METAL BASE
M2.3
TLSXA0007EB
9
2 METAL BASE
6 TLSXA0005EB
7.5
2 METAL BASE
TLSXA0006EB

6 Page









L2570 pdf, datenblatt
E. Install sufficient high voltage insulation to avoid
leakage of trigger high voltage.
Use high quality insulation materials and maintain adequate
insulating distances since the trigger voltage reaches 20
kV to 30 kV upon start-up. A 1 cm (3/8”) air gap will with-
stand only about 10 kV before arc discharge occurs. The
power supply output should be delivered with a high-volt-
age (more than a few tens kV) and heat resistant, non-
flammable cable, which should be as short as possible.
Make sure there is no contact between the power supply
cable and the metal chassis of the lamp housing. Wher-
ever the possibility of contact exists, a high quality silicon
insulating material should be employed.
F. Ensure the lamp holder is not oxidized.
Ensure the lamp holder is not oxidized. If it is oxidized,
there will be heating in the lamp holder and the radiant
intensity may become unstable due to the lack of contact.
When it is oxidized, the lamp holder should be replaced or
the oxide should be removed.
WARNING
Do not look at the lamp without proper eye protection while in operation.
• UV (ultraviolet) rays can damage the eyes and permanently may impair eyesight.
The lamp radiates UV rays which are harmful to your skin.
Proper skin protection must be worn or avoid any direct exposure.
• UV ray may injure skin exposed to it.
Do not place flammable material near the lamp when in operation.
• Placing the operating lamp near flammable materials may cause a fire.
The lamp reaches high temperature while in operation, and shortly after turn-off, use
care when touching the lamp.
• High temperature lamps will cause burns.
The lamp has high internal gas pressure, do not subject it to shock, stress or scratches.
These stresses may result in the explosion of the envelope.
The lamp must be installed in proper housing before operation.
• If broken, flying glass fragments may cause injury.
The power supply to the lamp must be turned off before installation or removal, or any
maintenance.
• Failure to do this may result in electrical shocks, damage to eyesight or skin burns,
etc.
CAUTION
Observe the installation direction and polarity of lamps.
• Incorrect installation may damage the lamp.
Be sure to use a power supply that provides an optimal current value for the lamp.
• Use of an improper power supply may cause overheating or damage the lamp.
Do not use the lamp in damp locations subject to high humidity, precipitation, or con-
densation.
• Operating the lamp in high humidity may result in electrical shocks or damage to the
lamp.
Always wear a protective mask and garment when installing or removing the lamp.
• If broken, exploding glass fragments may cause injury.
12

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