2. W e l c o m e s to its technology you Ladies and gentlemen,
A Division of ACD Technologies SpA
W e l c o m e s
Ladies and gentlemen,
welcome to this symposium.
I and other Italian engineers are happy to have this opportunity to introduce our P. C. B. technology.
I hope you will find this seminar interesting.(+)
Now welcome to cedal technology.
you
to its technology

3. Laminating press for multilayers and base materials
Cedal Division
Laminating press for multilayers and base materials
(+) Now I would like to introduce you cedal’s laminating press for multilayers and base materials called “Adara System”

4. ADARA a ”press concept”
The latest frontier in the
multilayer and base
material lamination
(+) “Adara “ technology.
The latest frontier in the multilayers and base material lamination
Cedal Division

5. “ADARA” press concept (+) This is the “Adara” functioning scheme.
The alternate current is transformed into direct current that goes to the press.
The data, such as temperature pressure and vacuum, from the press goes to the p.c..
The p.c. controls all these data and drive the electrical power and input of the factors, like compressed air and vacuum pump.
Cedal Division

6. STACK PREPARATION
The two copper foils grant the electrical continuity from the bottom to the top of the stack
Now I’ll give you some information about stack preparation.
(+) The copper foil must be continued from bottom to the top of the stack.
Cedal Division

7. “anodised aluminium press plates”
STACK PREPARATION
Insertion among material levels of:
“anodised aluminium press plates”
(+) Between one level of material and the next one there are the anodized aluminium press plates.
Cedal Division

8. Press plate specs
The surface anodization is required in order to insulate the different levels of material and to harden the surface
(+) Since our Adara press uses the electrical current, we need a special press plate.
The surface anodization is required to insulate the different levels of material and to harden the surface.
The thickness is 1,2 mm.
Thickness:1,2mm(47mils)
Cedal Division

9. STACK PREPARATION For MTL pressing:
the core and prepreg sandwiches are positioned between the copper foils.
Max height of the stack: up to
260 mm (10.2”)
(+) As you see from the schematic drawing here, the sandwiches are between the copper foils.
The height of the stack is minimum 140 mm. and maximum 260 mm.
Yellow colour is material like FR4 and brown colour is copper of innerlayers.
Cedal Division

10. STACK PREPARATION prepreg prepreg prepreg For base material pressing:
the prepreg foils are positioned between the copper foils.
Very thin laminates are easily prepared!
prepreg
prepreg
(+) As you see from the schematic drawing here, the sandwiches are between the copper foils.
The height of the stack is minimum 140 mm. and maximum 260 mm.
Yellow colour is material like FR4 and brown colour is copper of innerlayers.
prepreg
Cedal Division

11. “ADARA” PRESS CONCEPT (+) “Adara” press functioning.
Heating: the heat is developed, by the “Joule effect”, from the current that goes through the copper foil.
Cedal Division

12. “ADARA” PRESS CONCEPT
Heating: heat is developed following the “JOULE LAW”
by the current flowing through the two copper foils.
(+) “Adara” press functioning.
Heating: the heat is developed, by the “Joule effect”, from the current that goes through the copper foil.
Cedal Division

13. DIFFERENCE OF HEATING (+) Difference of heating.
“CONVENTIONAL PRESS” “ADARA PRESS”
(+) Difference of heating.
In the conventional press the heat goes from top and bottom to the center.
In the Adara press instead, the heat is developed on each level because the copper foil works as heater.
Cedal Division

14. “ADARA” PRESS CONCEPTS
Temperature profile : temperature is controlled directly in the stack by thermocouple sensors.
(+) “Adara” press functioning.
The temperature is controlled directly in the stack by thermocouple sensors.
Cedal Division

15. DIFFERENCE in the CONTROL CONVENTIONAL “ADARA”
(+) The conventional press has the sensors in the hot platens.
The Adara has the sensors in the stack.
Cedal Division

16. “ADARA” PRESS CONCEPTS
Pressure : the force is applied by an
“AIR BAG”
(+) “Adara” press functioning.
Pressure : the first press with air bag.
The piston is pushed down by an air bag filled with compressed air.
The pressure piston is pushed by an airbag to grant pressure uniformity in the working area
Cedal Division

17. DIFFERENCE OF PRESSING METHOD “CONVENTIONAL” “ADARA”
(+) For the conventional press the pressure is applied with hydraulic piston pushed by oil and it requires a lot of maintenance.
Adara needs only to connect the air pipe and a solenoid valve controls the pressure by p.c..
Clean and no maintenance.
Cedal Division

18. TEMPERATURE DISTRIBUTION ON CONVENTIONAL PRESS
t t 1 = about 30°C
(+) Temperature distribution on conventional press.
The red line shows the top and bottom panels temperature and the blue one is that of the middle panel.
The temperature gap is very big.
Cedal Division

19. Temperature distribution in “ADARA” press
(+) Temperature distribution on Adara press.
As you can see the temperature is very uniform, there is no gap among top middle and bottom even if the stack is very bigger than that of the conventional.
Cedal Division

20. Temperature distribution on “ADARA” press
(+) This shows an example of temperatures measured in the corners and the center of top, middle and bottom panels.
The blue numbers are the temperatures at 140°C and the red ones are at 175°C, the gaps are very small and at maximum they are plus or minus 3°C. in all the stack.
Cedal Division

21. VACUUM: vacuum is applied prior hot cycle start-up
TEMPERATURE: up to max 320° C ( 620° F) real and measured in the center of the stack Teflon base material is OK High TG (glass transition) material is OK with the standard press.
VACUUM: vacuum is applied prior hot cycle start-up
Cedal Division

22. Stack in front of the “one ADARA’s opening”
(+) “Adara is mouth opened and it is eating the stack.
Cedal Division

23. “ADARA” AT WORK
(+) “Adara” is at work.
Cedal Division

24. INSTALLATION OF ADARA. HALF DAY in a clean and fresh environment
INSTALLATION OF ADARA? HALF DAY in a clean and fresh environment! NO PIPES for OIL NO TANKS for OIL NO high pressure devices out of the press
(+) The quality of “Adara” production.
Cedal Division

25. The quality of “ADARA” PRODUCTION
Cedal Division

26. (+) The quality of “Adara” production.
1: less material movement during lamination because there’s no need of pressure to heat the stack: the heat is transferred by the 2 copper foils. 2: temperature uniformity in the whole stack (top - medium – bottom part) means better control of the resin fusing point 3: less pressure means less resin overflow during melting phase
(+) The quality of “Adara” production.
Cedal Division

27. (+) The quality of “Adara” production.
Thanks to the temperature uniformity in the stack and to the lower pressure required for pressing, ADARA provides the following quality advantages: a: less resin overflow which means thickness uniformity of the final PCB (less than 5%) b: less resin overflow means easy to do impedance controlled PCBs
(+) The quality of “Adara” production.
Cedal Division

28. 4 layers EVALUATION OF THICKNESS DISTRIBUTION Corner 1 2 3 4 Center
Thickness:500 micron
Corner Center
min
MAX
 m <5%
Cedal Division

29. 4 layers EVALUATION OF THICKNESS DISTRIBUTION Thickness:20 mils
Corner Center
min
MAX
mils <5%
Cedal Division

30. 14 layers EVALUATION OF THICKNESS DISTRIBUTION Thickness: 2185 micron
Corner Center
min
MAX
 m <5%
Cedal Division

31. 14 layers EVALUATION OF THICKNESS DISTRIBUTION Thickness: 86 mils
Corner Center
min
MAX ,
mils < 5%
Cedal Division

32. The cost saving with “ADARA” PRODUCTION
(+) The quality of “Adara” production.
Cedal Division

33. (+) The quality of “Adara” production.
1: Main power consumption when cycle is running only (no oil tank constantly heated) = 1/4 of traditional press 2: half man-power only compared to the traditional press to manage one press including lay-up 3: less copper-foil consumption, because it is folded around stack 3: one couple of cushions only for the sole stack : less rejects for thickness out of tolerance Total proved saving: from 70 to 90 US$ cents per each panel
(+) The quality of “Adara” production.
Cedal Division

34. ADARA models: mod. 52: panel size 720x620 (28”x24”)
ADARA models: mod. 52: panel size 720x620 (28”x24”) for MTL & base laminates mod 48D: panel size720x1080 (28”x42”) for MTL and base laminates mod73HD: panel size 720x1370 (28”x53”) for MTL and base laminates mod73HsD: panelsize1100x1370(43x53”) for base laminates only.
(+) The quality of “Adara” production.
Cedal Division

35. ADARA throughput for Multilayers: PCB thickness:1,6mm\63mils 18 cycles \day Adara 52: 165m ( 6.5”) opening: 47 panels\cycle = up to 850 panels\day Adara 48D: 195m( 7.7”)opening: 110 pan\cy(2 aside) = up to 2000 panels\day Adara 73HD: 265m (10”) opening: 237 pan\cy (3 aside) = to 4300 panels\day
Cedal Division

36. ADARA throughput for Thin Laminate: laminate thickness: 0. 1-0
ADARA throughput for Thin Laminate: laminate thickness: mm\4-8mils 20 cycles \ day
Adara 48D: 195m( 7.7”)opening: 112 lam\cycle = up to 2200 sheets\day Adara 73HsD: 265m (10”) opening: 154 lam\cycle = up to 3100 sheets\day
Cedal Division

37. How to prepare the stack ? (+) Well, how to prepare this stack?
WE have the Lay up station.
Cedal Division

38. For multilayers in 2 steps:
1st STEP: ASSEMBLING AND LOCKING THE MULTIPLE CORES AND THE MULTIPLE PRE-PREG IN ONE SANDWICH
2nd STEP: LAYING-UP THE MULTIPLE SANDWICHES IN ONE UNIQUE STACK FOLDED INTO THE OUTERLAYER COPPER FOILS
(+) Well, how to prepare this stack?
WE have the Lay up station.
Cedal Division

39. 1st step: How to prepare the core and prepreg sandwiches?
How to prevent the core from moving during lamination procedure?
The SOLUTION is BONDING and RIVETING the cores using a template.
We suggest BONDING
(+) Well, how to prepare this stack?
WE have the Lay up station.
Cedal Division

40. Bonding machine LOADING POSITION
the template can be customised according to customer requirement
LOADING
POSITION
(+) The machine is standard, the template is custom-built.
In the picture the machine is in loading position.
Cedal Division

41. 4 slots\ 2 holes as core reference
(+) This is a sample of movable pin position.
Cedal Division

43. New bonding Technology by Cedal
based to the Induction of a Magnetic Flow
why is better?
1:bonded area of 25x12 mm: 4 times greater with uniform vertical and horizontal heating
2: no need of pressure to heat the core sandwiches : thus avoiding dents marking the press plates
“ the solution” to the bonding of 12 to 24 layers PCB, today critical with the traditional bonding

44. New bonding Technology by Cedal
Why it reduces the operative cost?
1: the energy is used during the heating only
therefore less 70% of operative cost (power)
2: the heating is very efficient: thus allowing the raise of temperature twice faster.
therefore the bonding time is 50%: 20 sec total
bonding uses a Chemplate trade mark

45. Available models RBM 66s: 3+3 bonding points single machine
RBM 68d: 3+3 bonding point double machine
RBM IMF: bonding point single machine, by the induction flow technology
(+) Here are its characteristics:
This equipment is used to build up the stack and the copper foil is in roll form
The copper foil is laid down from reels on the press plate and the material.
The press plates can be put on automatically or manually.
Cedal Division

46. 2nd step:
1st: ASSEMBLING AND LOCKING THE MULTIPLE CORES AND THE MULTIPLE PRE-PREG IN ONE SANDWICH
2nd: LAYING UP THE MULTIPLE SANDWICHES IN ONE UNIQUE STACK FOLDED INTO THE OUTERLAYER COPPER FOILS
(+) Well, how to prepare this stack?
WE have the Lay up station.
Cedal Division

47. LAY-UP STATION CHARACTERISTICS
The station is used to build-up the stack: the copper foil is in roll format
The copper foil is laid down from reels on the sandwich
The press plates can be loaded in automatic or manual way
(+) Here are its characteristics:
This equipment is used to build up the stack and the copper foil is in roll form
The copper foil is laid down from reels on the press plate and the material.
The press plates can be put on automatically or manually.
Cedal Division

48. LAY-UP STATION ADVANTAGES
Easy handling of copper foil
The copper foil is not purchased in cut sheets = less money
High surface quality, no dust, pits, wrinkles and dents
The very thin copper foil can be easily used,i.e.: 9 micron (1/4 oz)
(+) With this equipment you have the following advantages:
Easy handling of copper foil.
The copper foil is not cut in sheets.
High surface quality, no dust, wrinkles, pints and dents.
The very thin copper foil can be used, like 9 micron = 1/4 oz
Cedal Division

49. MANUAL LAY-UP STATION The rolls are moved back and forth manually
The press plates and the pre-preg are loaded manually
Cedal Division

50. SEMI-AUTOMATIC LAY-UP STATION
Automatic left and right press plate loaders
Automatic drive of the 2 copper rolls
Cycle time is shortened due to the running back and forth of press plates and copper rolls simultaneously
Cedal Division

51. SEMI-AUTOMATIC LAY-UP STATION
(+) This is a picture of 55A on line.
The robot is in loading position and after picking up a press plate it will forward to the lay up table.
Cedal Division

55. Thank you for your attention
(+) The quality of “Adara” production.
Cedal Division