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IDProjectCategoryView StatusLast Update
0001066K18X001.00 SKB SWANHWpublic2021-12-24 11:29
Reporter(PM) Henry ChiouAssigned To(ALTech) Lonnie Kim Due Date
PrioritynormalSeveritys2-severeReproducibilityhave not tried
Status closedResolutionfixed 
Summary0001066: Acoustic Improvement Report and Subsidiary Materials for DVT
DescriptionHi Lonnie


-To fix the BT antenna, we will use the acetate tape. For other FFC cables, we will also use the sponge to fix them onto -the bottom. Both the spec and the illustration are attached FYI.

-The glue used to fix the connectors will be ThreeBond 1530C. Also attach the datasheet FYI.

These are the current solutions available in the factory and we will evaluate in DVT to check if any need to change depending on the assembly feedback from the production line.

-The sponge spec on FFC is as attached. For power cable the vendor is still checking it.

Thanks
Henry
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Activities

(PM) Henry Chiou

2021-01-04 17:52

developer  

cable fix review.pptx (1,165,043 bytes)
ThreeBond 1530C spec.pdf (94,532 bytes)
Sponge on FFC cable.pdf (72,054 bytes)

(PM) Henry Chiou

2021-01-04 19:25

developer   ~0005687

Action items

1. the quick drying chemicals on power cable and connector will be done by factory operators with ThreeBond 1530C and the vendor is checking the glue for this request. Will update the spec on 1/4. (Henry)

2. Would you plz define the SOP for the glue used on DC Jack/ RJ45/ HDMI connectors, the ECAP, and the AMP board connector? such as the usage in gram and the gluing points/ area, etc. The factory needs a clear instruction to execute the request to avoid the impact on acoustic performance caused by different operating techniques. (Lonnie)

3. The glue 1530C mentioned above is very expensive, like hundreds of dollars per kilo. We don't wish to add more cost on top of the current figure...so we will only use it for DVT1 60pcs.
Would you plz help check if Inkel could provide the glue GB-508W for DVT2 408pcs for all connectors and ECAP? We will also check if possible to buy it from our agency on AVL. Currently this glue doesn't exist in our system... (Lonnie)

(ALTech) SH Son

2021-01-05 09:33

developer   ~0005693

@Henry.

First, Substitute of glue "ThreeBond 1530C", I just recommend LDC-737
https://www.dow.com/en-us/pdp.dowsil-ldc-737-sealant.02433150z.html
The purpose of applying the glue is to prevent Noise and vibration the part. There is no need to use expensive special polymers.

LDC-737 sealant is commonly used electronics, (usually applied SMPS) and very cheaper then ThreeBond 1530C.
 - about 30~40 dollars per Kilo
 - The cure properties are also similar

Thanks
SON

(ALTech) Lonnie Kim

2021-01-05 12:17

developer  

Assembly guide_rev12.pdf (4,085,276 bytes)

(ALTech) Lonnie Kim

2021-01-05 12:17

developer   ~0005705

Hi, Henry

Regarding Action items, I updated working guide.
About AI#3, I will check to Inkel, then feedback to you.

Best regards

Lonnie Kim

(PM) Henry Chiou

2021-01-06 21:43

developer   ~0005738

Hi Lonnie,

I'd like to update the action item 1 the glue used to seal the gap between the connector and the cables will be hot melt glue with Ethylene Vinyl Acetate 45% and resin 55%.
Also for the pwr cables the sponge model name is AMX-F18001 with ingredient as attached FYI.

Thanks
Henry
泡棉成份表.jpg (103,864 bytes)   
泡棉成份表.jpg (103,864 bytes)   

Issue History

Date Modified Username Field Change
2021-01-04 17:52 (PM) Henry Chiou New Issue
2021-01-04 17:52 (PM) Henry Chiou Status new => assigned
2021-01-04 17:52 (PM) Henry Chiou Assigned To => (ALTech) Lonnie Kim
2021-01-04 17:52 (PM) Henry Chiou File Added: 475.00512.005-acetate tape_for_BT antenna.pdf
2021-01-04 17:52 (PM) Henry Chiou File Added: 484.00426.005-sponge-fpc-front.pdf
2021-01-04 17:52 (PM) Henry Chiou File Added: cable fix review.pptx
2021-01-04 17:52 (PM) Henry Chiou File Added: ThreeBond 1530C spec.pdf
2021-01-04 17:52 (PM) Henry Chiou File Added: ThreeBond 1530C safety datasheet.pdf
2021-01-04 17:52 (PM) Henry Chiou File Added: Sponge on FFC cable.pdf
2021-01-04 17:53 (PM) Henry Chiou Issue Monitored: (ALTech) SY Yoon
2021-01-04 17:54 (PM) Henry Chiou Issue Monitored: (ALTech) Sophie Lee
2021-01-04 17:54 (PM) Henry Chiou Issue Monitored: (ALTech) SH Son
2021-01-04 17:54 (PM) Henry Chiou Issue Monitored: (ALTech) Lonnie Kim
2021-01-04 18:00 (PM) Henry Chiou Issue Monitored: (HW) Sean Chiang
2021-01-04 18:00 (PM) Henry Chiou Issue Monitored: (PM) Tiffanie Lai
2021-01-04 18:01 (PM) Henry Chiou Issue Monitored: (RD) Jim Chen
2021-01-04 19:25 (PM) Henry Chiou Note Added: 0005687
2021-01-05 09:33 (ALTech) SH Son Note Added: 0005693
2021-01-05 12:17 (ALTech) Lonnie Kim File Added: Assembly guide_rev12.pdf
2021-01-05 12:17 (ALTech) Lonnie Kim Note Added: 0005705
2021-01-06 21:43 (PM) Henry Chiou File Added: 泡棉成份表.jpg
2021-01-06 21:43 (PM) Henry Chiou Note Added: 0005738
2021-12-24 11:29 (HW) Sean Chiang Status assigned => closed
2021-12-24 11:29 (HW) Sean Chiang Resolution open => fixed