Feasibility Study and Information collection for quotationMiley Combo AntennaBased on files received on 2009-06-15Version: 1

Miley_Feasibility_study / Peter Karlsson 2

Part Name: Combined AntennaPart 3D Version: XXXXMaterial: PC/ABSDecoration:Weight / Vol.Secondary Operations:Main Technologies:

General Part InformationMajor Risks Identified

Miley_Feasibility_study / Peter Karlsson 3

Combo Antenna LOM SuggestionRisks identified

Guiding features missing.With good guiding one of the parts can be placed with ±0.2-0.3mm.Suggest to add guide holes in the flex.

Risk for peal off.Pressure jigs needed.

The plastic antenna carrier must be single bended surface to be able to assembly the antenna.Simplified surfaces on the carrier is needed.

Assembly– Antenna type:

GPS WL BT Antenna, flex film

– Assembly Method:AdhesiveManual using jig.

– Guiding: No guiding in current design. Guiding features is needed

– Parts effecting the antenna:Side Panel (SUS)Flash PBACamera3.5 mm AV-ConnectorD-Cover Insert

– Type of antenna connection:Not included in file. Probably some type of leaf spring connector

Antenna Carrier

Antenna flex

Guide hole in flexand carrier

Simple surface

Miley_Feasibility_study / Peter Karlsson 4

GPS WL BT Antenna Risks identifiedAntennas electrical concept NOT described

Antenna product specific specification not received from Nokia

–LOM is following Nokia generic antenna specification

Assembly tolerance impact to RF variation not known

Based on experience, for BT/WLAN antenna, 0.1mm shift on positioning gives 5-10MHz frequency variation

–With +/-0.5mm ( manual assembly tolerance +/-0.3 and +/-0.2mm copper outline tolerance) shift the variation could in worst case be +/-50Mhz

–100%RF Testing implemented

Based on experience, for GPS antenna, 0.1mm shift on positioning gives 3-6MHz frequency variation

–With +/-0.5mm ( manual assembly tolerance +/-0.3 and +/-0.2mm copper outline tolerance) shift the variation could in worst case be +/-30Mhz

–100%RF Testing implemented

No IPR issues identified based on current information

Material– Antenna typ: Flex Antenna

– Total thickness: ~0,15 mm

– Effective area: 272 mm2

– Cosmetic class: 3Not Visible.

– SMT Components (soldering): No

– Build-up (No soldering): 1. Solder Mask, 12-18 µm Cosmetic class 32. Copper (RA), ~ 18 µm3. Adhesive ~ 8,5 µm4. Pet (Polyester), 50 µm5. Adhesive 3M 467, 60 µm6. Pet Liner

– Roller direction: See picture.

– Number of contact points:Two contact points

– Plated area: 3.2 x 5,9 = 18,9mm2

– Plating:Ni 3 ± 1 µmAu > 0.5 µm

– Tolerance:Cu to Cu ± 0.05Cu to Outline ± 0.2Outline ± 0.1 Contact area

Plated Area

Roller direction