◆ UV LED (UV-LED) ◆ 308nm, 325nm, 340nm ◆ Skin treatment, resin curing, sensing
**Bare Chip** This is a high-quality bare chip manufactured with outstanding technology. There are three chip sizes available, and an option for a sub-mount specification can also be selected. - Small (500μm×500μm) bare chip, Medium (750μm×780μm) bare chip, Large (1000μm×1000μm) bare chip *Please inquire as we can also supply it with a sub-mount attached.* **To Metal Can** This is a robust high-reliability (hermetic) specification using a metal can. The diameters available are φ5mm and φ9mm, and you can choose the beam angle from 6° to 145° (full angle). **Hermetic SMD** This product features an industry-standard size SMD package of 3.5mm×3.5mm, equipped with a medium chip or a large high-power chip in the 10mW class. - Middle Power SMD (Medium: equipped with a 750μm×750μm chip), High Power SMD (Large: equipped with a 1000μm×1000μm chip)
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basic information
【Sealed SMD (with 35° lens)】 By using a special lens, the conventional beam angle (120°) has been narrowed down to 35°, achieving approximately 10 times higher luminous intensity compared to conventional products. - High-power SMD with 35° lens (large: equipped with 1000μm x 1000μm chip) 【Sealed SMD (with 65° lens)】 By using a special lens, the conventional beam angle (120°) has been narrowed down to 65°, achieving approximately 6 times higher luminous intensity compared to conventional products. - High-power SMD with 65° lens (large: equipped with 1000μm x 1000μm chip) 【Module】 Wavelength 300nm 308nm 325nm 340nm DOWA Electronics was established in October 2006 as a spin-off from Dowa Mining, which started as a mining smelting company in 1884 (Meiji 17). The company specializes in electronic materials, leveraging the technology of high-quality AlN templates essential for high-performance deep ultraviolet LEDs. By integrating innovative epitaxial growth and excellent processing technology, we carry out all processes up to bare chips consistently, achieving unparalleled high performance and high reliability in the deep ultraviolet wavelength range.
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Applications/Examples of results
● Skin Treatment Ultraviolet treatment for vitiligo and psoriasis typically involves PUVA therapy using UV-A or 310nm UV-B narrowband lamp light sources in combination with oral medications. Recently, there has been progress in using LED light sources. LEDs can miniaturize the light source, allowing for targeted ultraviolet light irradiation only on the necessary areas, making them ideal for targeted treatment devices. There is a high demand for alternatives to UV-B narrowband lamps at 311nm and excimer lamps at 308nm, and DoUVLEDs can accommodate both 311nm and 308nm. ● Resin Curing Ultraviolet light sources act on photoinitiators to promote the curing of the resin's main components, monomers, and oligomers. UV curing is ideal for applications where heat history should be avoided, such as bonding optical components, as it does not use heat. Additionally, since it does not involve solvents, there is no generation of harmful gases. ● Sensing Various detection and sensing applications utilize the unique ultraviolet absorption characteristics of substances, including transmission-type sensors and fluorescence or phosphorescence analysis devices that measure the excitation light generated by ultraviolet irradiation.
Detailed information
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【Bare Chips (Available as standalone bare chips or with submount)】 ■ Small (500μm×500μm) Bare Chip Peak Wavelength λp (nm) IF=20mA: 308 325 340 Optical Output Po (mW) IF=20mA: 3.5 3.0 3.0 IF=50mA: 9.0 7.5 7.5 Standard Specs Electrode Au Pad ・ AuSn Pad: Refer to our website ■ Medium (750μm×780μm) Bare Chip Peak Wavelength λp (nm) IF=100mA: 308 325 340 Optical Output Po (mW) IF=100mA: 15 15 15 Standard Specs Electrode Au Pad ・ AuSn Pad: Refer to our website ■ Large (1000μm×1000μm) Bare Chip Peak Wavelength λp (nm) IF=350mA: 308 325 340 Optical Output Po (mW) IF=350mA: 50 45 45 IF=600mA: 75 70 75 Standard Specs Electrode Au Pad ・ AuSn Pad: Refer to our website
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【TO Metal Can (TO Package)】 Peak Wavelength: 310nm, 325nm, 340nm (Common Wavelength) Product Name・Half-Angle (°)・Lens Shape・TO Type・TO Diameter (mm)・Standard Specs xFxVL-1H321・6・Hemisphere・TO46S・φ5 xFxVL-1H331・6・Hemisphere・TO5・φ9 xFxVL-1H211・24・Hemisphere・TO18・φ5 xFxVL-1H411・40・Hemisphere・TO18・φ5 xFxVL-1F111・113・Flat・TO18・φ5 xFxVL-1F131・114・Flat・TO5・φ9
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【Sealed SMD】 ■Mid-Power SMD (Medium: 750μm × 750μm chip) Peak Wavelength λp (nm) IF=100mA: 308 325 340 Optical Output Po (mW) IF=100mA: 12 12 12 ■High-Power SMD (Large: 1000μm × 1000μm chip) Peak Wavelength λp (nm) IF=350mA: 308 325 340 Optical Output Po (mW) IF=350mA: 40 37 37 IF=600mA: 60 57 57
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【Sealed SMD (with 35° lens)】 Peak wavelength λp (nm) IF=350mA: 308 325 340 Optical output Po (mW) IF=350mA: 35 32 32 IF=600mA: 53 49 53
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【Sealed SMD (with 65° lens)】 Peak wavelength λp (nm): IF=350mA 308 325 340 Optical output Po (mW) IF=350mA: 39 35 35 IF=600mA: 58 54 58
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【Module】 Wavelength: 300nm 308nm 325nm 340nm
Company information
■New products related to barcodes ■Laser diode related ■We accept orders for optical fiber connector processing. *We are currently accepting orders for communication to large diameter with short delivery times! ■Manufacturing of ultra-stabilized LD modules and light source devices ■Import and sales of various semiconductor lasers ■Import and sales of optical modulators and optical peripheral components ■Other import and sales of scientific and analytical instruments and parts
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