Feasibility Study and Information collection for quotation Mimmi Version: 1

Mimmi_Feasibility_Study / Peter Karlsson2 General Project name:Mimmi Customer:SonyEricsson PCC Site / Design center:Lund, Project type: Type of Product:Slide Ramp-up: Customer LOM Lifetime: Customer plant focus: LOM plant focus: Volumes: Total volume Global peak volume 8.0 Mpc 150kpc Number of sales items / assemblies Needed technologies

Mimmi_Feasibility_Study / Peter Karlsson3 –Front Assembly technology: –Inner frame Assembly technology: –Inner Support plate Assembly technology: –Battery Lid Assembly technology: –Touch Panel Assembly technology: Adhesive Mimmi ?

Mimmi_Feasibility_Study / Peter Karlsson4 Part Name: Front (Seamless+SEMC Loggo) Part 3D Version: XXXX Material: PC? Weight / Vol.? Three possible surface finished. Type 1: IMD (IMF/IMR) Type 2: 2K moulding. Black resin + Clear window resin + Hard Coating Type 3: Painted plastic with top coating General Part Information Major Risks Identified Type 1 1.IMD. Problem with sharp corners and deep shapes. IML? Type 2 1.Risk for uneven edge between window and black plastic. (Seamless) A recess between the different areas can hide the problem. Type 3 1.Masking for window area requires a recess to hide over spray

Mimmi_Feasibility_Study / Peter Karlsson5 Part Name: Front (Regular frame without window) Part 3D Version: XXXX Material: PC/ABS? Weight / Vol.? Two possible surface finished: Type 1: Plastic frame, 1 layer base-coat, 1 layer Top coat. Type 2: Black plastic with top-coat General Part Information Major Risks Identified Type 1 1. Type

Mimmi_Feasibility_Study / Peter Karlsson6 Part Name: Inner Frame Part 3D Version: XXXX Material: PC/ABS? Weight / Vol.? General Part Information Major Risks Identified 1. Big open surface. 2.If the frame needs to stiffen the phone then we needs a stiffer material. Will give problem with planarity

Mimmi_Feasibility_Study / Peter Karlsson7 Part Name: Inner Support Plate Part 3D Version: XXXX Material: PC/ABS? SUS 304 3/4H? Weight / Vol.? Three possible material configurations.. Type 1: Insert moulded. Stainless steel + plastic Type 2: Stamped. Stainless steel Type 3: Moulded. Plastic General Part Information Major Risks Identified Type 1 1.The metal part needs guiding holes for placement in the moulding tool. Flatness? Type 2 1.Sharp edges? Flatness? Type 3 1.Thin material? 88 52

Mimmi_Feasibility_Study / Peter Karlsson8 Part Name: Battery Lid Part 3D Version: XXXX Material: PC/ABS? Weight / Vol.? Four possible surface finished: Type 1: 1 layer base-coat +1 layer Top coat. Type 2: Coloured resin with top-coat Type 3: Coloured resin Type 4: 3 layer paint system General Part Information Major Risks Identified Type 1: Type 2: Surface defects visible Type 3: Sensitive for scratches Type 4: 88 52

Mimmi_Feasibility_Study / Peter Karlsson9 Part Name: Touch panel Part 3D Version: XXXX Material: Flex film? Weight / Vol.? General Part Information Major Risks Identified

Mimmi_Feasibility_Study / Peter Karlsson10 –Belt Assy Assembly technology: –Belt Assembly technology: –Top Panel Assembly technology: Heat-staked –Bottom Panel Assembly technology: Heat-staked Mimmi Belt Bottom panel Top panel

Mimmi_Feasibility_Study / Peter Karlsson11 Part Name: Belt Part 3D Version: XXXX Material: PC/ABS? Weight / Vol.? Five possible surface finished: Type 1: 1 layer base-coat +1 layer Top coat. Type 2: Coloured resin with top-coat Type 3: Coloured resin Type 4: VM (NCVM) Type 5: 3 layer painted system General Part Information Major Risks Identified Type 1: Type 2: Surface defects visible Type 3: Sensitive for scratches Type 4: Needs top-coat Non conductive? Type 5:

Mimmi_Feasibility_Study / Peter Karlsson12 Part Name: Top Panel Part 3D Version: XXXX Material: PC/ABS? Weight / Vol.? Three possible surface finished: Type 1: 1 layer base-coat +1 layer Top coat. Type 2: Coloured resin with top-coat Type 3: Coloured resin General Part Information Major Risks Identified Type 1: Type 2: Surface defects visible Type 3: Sensitive for scratches 52

Mimmi_Feasibility_Study / Peter Karlsson13 Part Name: Bottom Panel Part 3D Version: XXXX Material: PC/ABS? Weight / Vol.? Three possible surface finished: Type 1: 1 layer base-coat +1 layer Top coat. Type 2: Coloured resin with top-coat Type 3: Coloured resin General Part Information Major Risks Identified Type 1: Type 2: Surface defects visible Type 3: Sensitive for scratches 52