On April 6-11, 2008, the biennial Frankfurt International Lighting and Building Technology and Equipment Exhibition opened in Frankfurt, Germany. Aladdin Lighting Network reporters participated in the exhibition and brought back a series of pictures to learn about the lighting design and popular trends through the world's largest international lighting exhibition.
According to the Aladdin lighting network live experience and photo records, the lighting fixtures exhibited at the 2008 International Lighting and Building Technology and Equipment Exhibition in Frankfurt have the following eight trends:
1, color: the more natural, the more vivid, the more popular
The lighting fixtures exhibited at the 2008 International Lighting and Building Technology and Equipment Exhibition in Frankfurt - especially indoor lighting, are bright but not exaggerated, natural and not frivolous, and the authentic red, black and white colors An atmospheric orthodox color sense. This also implies a new season of lighting design, the color is more natural and authentic.
Brightly colored lamps at the 2008 International Lighting Fair in Frankfurt
2, material: metal and other modern materials are still popular
At the 2008 International Lighting and Building Technology and Equipment Exhibition in Frankfurt, metal lamps are still the mainstream: modern metal or distressed metal shades or brackets, adding to the modernity and reliability of the lamps, often in the details Reflecting the designer's careful handwriting, in 2008, the field of lighting design will be smooth.
The 2008 International Lighting Fair in Frankfurt reflects the modern metallic lighting
The 2008 International Lighting Fair in Frankfurt reflects the modern metallic wall lamp
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Depends on different parameters, high frequency signals are reflected on PCB design usually means the impedance varies with respect to the sending component. To prevent such capacitive effects and make sure all parameters exactly specified, special materials and high level process control are required
High frequency PCB features:
Dielectric constant ( DK ε,Er)value need to be small and stable, high DK may cause signal transmission delay.
Dissipation factor (DF, tgδ) value need to be small, as it will affect quality of signal transmission, smaller DF could make sure smaller signal wastage.
The thermal expansivity need to be the same with copper foil as possible. If they are different may cause copper foil separated when the changes of cold and heat happen.
Heat resisting property, impact endurance, chemistry resisting, peel off resisting need to be good.
Water absorptivity need to be low, high water absorptivity will affect DK & DF when in the wet environment.
Topscom support production of various high-frequency PCB from prototypes to production run in order to meet increasing demands of high-frequency PCB ,microwave PCB & RF PCB of our customers, include many of good performance high frequency PCB ,such as Rogers PCB, Ceramic PCB, Teflon PCB, Taconic PCB, Arlon PCB.
Material | Dielectric Constant |
RO4350B | 3.48±0.05@10 GHz |
RO4003C | 3.38±@10 GHz |
Ro3003 | 3.00±0.04@10 GHz |
Ro3010 | 10.2±0.03@10 GHz |
RT5880 | 2.20±0.02@10 GHz |
Check our capabilities by viewing the table found below:
Feature | Capability |
Quality Grade | Standard IPC 2 |
Number of Layers | 2 - 24layers |
Order Quantity | 1pc - 10000+pcs |
Build Time | 2days - 5weeks |
Material | RO4003C, RO4350B, Ro3003, Ro3010, RT5880 |
PP | Rogers 4450F, Domestic-(25FR), Domestic-(RF-27), Domestic-(6700) |
Board Size | Min 6mm x 6mm | Max 457mm x 610mm |
Board Thickness | 0.4mm - 5.0mm |
Copper Weight(Finished) | 0.5oz - 2.oz |
Min Tracing/Spacing | 3mil/3mil |
Solder Mask Sides | As per the file |
Solder Mask Color | Green, White, Blue, Black, Red, Yellow |
Silkscreen Sides | As per the file |
Silkscreen Color | White, Black, Yellow |
Surface Finish |
Electroless nickel/immersion gold (ENIG) - RoHS Immersion silver - RoHS Immersion tin - RoHS Organic solderability preservatives - RoHS |
Min Annular Ring | 4mil |
Min Drilling Hole Diameter | 6mil |
Impedance tolerance | ±10% |
Other Techniques |
Peelable solder mask Gold fingers Carbon oil Countersink holes |
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