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14 Placement Hea ds TwinHead for H igh-Precision IC Placement Technical Data *) Please note that the component range that can be pla ced is also aff ected by the pad geomet ry, the cu stom er- spe ci fic st anda rds a nd…

Placement Heads

TwinHead for High-Precision IC Placement

Innovation

• The TwinHead places two

components at the same

time using the Pick & Place

methods

→ Increased speed when

placing large components

→ Greater flexibility due to

broader range of compo-

nents

Description

This sophisticated placement

head consists of two place-

ment heads of the same type

coupled together (twin

head). Both heads work

using the Pick & Place prin-

ciple. The TwinHead is suit-

able for processing partic-

ularly difficult or large com-

ponents. Two components

are picked up by the place-

ment head, optically cen-

tered on the way to the

placement position and

rotated into the necessary

placement angle. The com-

ponents are then placed

gently and accurately on the

board.

In addition to the vacuum

nozzles specially developed

for the TwinHead, the place-

ment head can also use the

nozzles for the Pick & Place

head. Collect &Place head

nozzles can also be used.

Checking and self-learning

functions

The TwinHead's reliability

can be further increased with

various checking and self-

learning functions.

• For example, vacuum

checks at the nozzles indi-

cate whether the compo-

nent was picked up or set

down correctly.

• High-resolution, intelli-

gent vision modules, such

as the fine-pitch and flip-

chip vision modules, iden-

tify and correct minute

deviations from the

desired component posi-

tion, thus guaranteeing a

correct placement posi-

tion. The vision modules

are permanently fixed to

the machine frame.

• The component package

form is also checked, and

the component is not

placed if the geometric

data thus determined dif-

fers from the programmed

data.

• A force sensor measures

and monitors the specified

component placement

forces.

Z axis

DP axis

How the TwinHead works

Placement Heads

TwinHead for High-Precision IC Placement

Technical Data

*) Please note that the component range that can be placed is also affected by the pad geometry,

the customer-specific standards and the component packaging tolerances.

**) When using the multi-color camera, the height reduces to 18.3 mm.

***) If standard nozzles are used

Optical centering with Fine-pitch vision module Flip-chip vision module

Component range

0603 to SO, PLCC, QFP, BGA,

special components, bare dies,

flip-chips

0201 to SO, PLCC, QFP, sock-

ets, plugs, BGA, special com-

ponents, bare dies, flip-chips,

shields

Component

specifications

max. height

min. lead pitch

min. bump pitch

min. ball ∅

min. dimensions

max. dimensions

max. weight

25 mm

**)

0.4 mm

0.56 mm

0.32 mm

1.6 x 0.8 mm²

50 x 40 mm²

(single measurement)

For use with two nozzles

50 x 50 mm² or

69 x 10 mm²

For use with one nozzle:

85 x 85 mm² or

125 x 10 mm²

max. 200 x 125 mm² (with

restrictions)

100 g

***)

25 mm

**)

0.25 mm

0.14 mm

0.08 mm

0.6 x 0.3 mm²

8 x 8 mm²

(single measurement)

100 g

***)

Programmable place-

ment force

1.0 N - 15 N 1.0 N - 15 N

Nozzle types 5 xx (standard)

4 xx + adapter

8 xx + adapter

9 xx + adapter

5 xx (standard)

4 xx + adapter

8 xx + adapter

9 xx + adapter

Nozzle spacing on the

two Pick & Place heads

70.8 mm 70.8 mm

X/Y accuracy ± 35 µm/4 σ ± 30 µm/4 σ

Angular accuracy 0.07° / 4 σ 0.07° / 4 σ

Placement Heads

Nozzle Changers (Collect&Place Heads)

Innovation

• Nozzle changers increase

the flexibility of placement

heads when processing

different components

→ nozzle configuration

can be quickly modified

for new placement jobs

→ accurate nozzle seat

minimizes radial eccentric-

ity

→ defective nozzles are

quickly replaced

Description

Up to 6 nozzle changers can

be installed for the

6-segment or 12-segment

Collect & Place heads (C&P6

or C&P12):

Location 1: 2 nozzle changers

(NC6 or NC12)

Location 2: 1 nozzle changer

(NC6 or NC12)

Location 3: 2 nozzle changers

(NC6 or NC12)

Location 4: 1 nozzle changers

(NC6 or NC12)

Magazine for 12

type 9xx nozzles

Magazine for 6

type 9xx nozzles

Magazine for 6

type 8xx nozzles

Nozzle changer for the

12-segment Collect & Place head (NC12)

Nozzle changer for the

6-segment Collect & Place head (NC6)