ELDOS producent, obwody drukowane, płytki drukowane, printed circuit boards, leiterplatten, PCB
Eldos Sp. z o.o.

About us

ELDOS Co. Ltd., the top Polish manufacturer of Printed Circuit Boards for electronics industry has been established in 1991, and began its production in June 1993. The factory has been located in Wrocław, capital of the dynamically developing region of Lower Silesia, and delivering its high-quality products to the domestic and European market. Since 1996, the Quality Management...

Processes

Production processes:

 
  • Direct plating in the TOPCOM - ENTHONE-OMI process
  • Layout with the photo and silk-screen method
  • Reference print with silk screen method
  • Lead-free coating in the HAL process
  • Electroless and electrolytic Nickel/Gold plating
  • Carbon paste on contact fields
  • Drilling and routing
  • Scoring
  • Routing in the technological panel
  • Automatic Optical Inspection (AOI)
  • Electrical testing

 

Limit process values:

  Limit process values Photoresist / Silk screen [mm]
a Minimum distance of conductor from board edge 0.5
b Minimum distance between tracks 0.12/0.20
c Minimum track width 0.12/0.20
d Minimum distance between track and solder pad 0.2
e Minimum width of PTH land 0.15
f Drilled hole diameter 0.30 ÷ 6.5
g Minimum distance between solder pads 0.2
h Clearance between solder mask and pad 0.1
i Minimum land width in internal layers 0.2
j Minimum distance of insulated land from PTH in internal layers 0.35
k Minimum width of electrical junction in the "thermal" type pads 0.2
l Minimum distance of conductor insulation from PTH in the "thermal" and "donut" pads 0.2
m Minimum insulation width in the "thermal" and "donut" pads 0.2
n Minimum width of the masked area 0.10
  Reference print line width 0.15 ÷ 0.3
  Maximum number of conductor layers 20
UNDERWRITERS LABORATORIES INC.
Maximum working temperature of the board in the final product – 130 °C
Soldering limit values – max temperature 288 °C, max time 8 sec.
Layout limit values (depending on a PCB type):
 – min conductor thickness, including the edge conductor – (0,10 ÷ 0,25) mm
 – max size of a continuous field – inscribed circle diameter – (38,1 ÷ 50,8) mm

 

Standard panels used in double-sided PCBs production in ELDOS Ltd.:

 
Standard panels used in double-sided PCBs production in ELDOS Ltd.
Standard production panel size [mm] Standard fill-in field size [mm] Total fill-in surface [dm2]
340 x 450 310 x 420 13,0
355 x 610 325 x 580 18,9
457 x 610 427 x 580 24,8

 

For production we utilise high-quality impor­ted materials and chemicals.

 
LAMINATES USED FR-4,
CEM-1
POLIIMID
IMS
MAIN SUPPLIERS ISOLA AG, Germany
PANASONIC, Austria
MSC-POLYMER, Poland
BERGQUIST-ITC, Germany



Copyright © 2016 Eldos Sp. z o.o.