SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 1 of 16 Objective: To provide instruction in performing manual loading and unloading of units. Scope: This applies to all SemiQ products that will undergo manual loading and unloading. Detailed Instructions: 1.0 Housekeeping, ESD and Environmental Conditions Compliance for Board Loading and Unloading Process: 1.1 Perform housekeeping on workstation. Note: Refer to 5S Checksheet for housekeeping category and criteria. 1.1.1 Housekeeping shall be performed every start of the shift, and before and after lot process per station as necessary. 1.1.2 There shall be no unnecessary items placed on the working table. 1.2 Strictly observe ESD compliance at all times. Note: Team leader and QA personnel shall be informed if workstation equipment are due for PM and/or not functional (defective), then perform Loading/Unloading process to allocated workstation with functional equipment if applicable. 1.2.1 Check PM due date of ionizer in the PM sticker every start of the shift. 1.2.1.1 Workstation with ionizer due for PM shall not be used. This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 2 of 16 1.2.2 Turn ‘ON’ the lights to automatically turn ‘ON’ the ionizer to check ionizer functionality every start of the shift. 1.2.2.1 Workstation with defective ionizer shall not be used. 1.2.3 Check grounding of workstation. 1.2.3.1 Proper grounding of all materials (e.g. ESD mat, table, CGM, wrist strap, etc.) in the workstation shall be checked every start of the shift. 1.2.3.4.1 Team leader and QA personnel shall be informed immediately if grounding wire is detached. 1.2.3.4.2 Workstation without/improper grounding shall not be used. 1.2.3.2 Continuous grounding monitoring (CGM) shall be checked every start of the shift. 1.2.3.4.1 Workstation with non-functioning CGM shall not be used. Wrist strap is connected (LED Indicator: Green; Alarm: None) Main grounding Table grounding Mat grounding CGM grounding Wrist strap grounding Wrist strap is disconnected (LED Indicator: Red; Alarm: Continuous beeping sound) This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 3 of 16 1.2.4 Required ESD apparel (smocks, head cap, face mask and ESD shoes) and gadget (wrist strap) shall be worn and observed while inside Production Area. 1.2.4.1 Wrist strap shall be plugged to the jack under the table prior every start of process. 1.2.5 Tools and materials (Gloves, finger cots (if in direct contact with units), endplug remover, velcro straps/rubber bands, etc.) to be used shall pass ESD Materials Compliance Verification. 1.2.6 Check if trolley to be used has ground/drag chain. 1.2.6.1 Ground/drag chain should be touching the flooring and not corroded. 1.2.6.2 Trolley with defective/corroded ground/drag chain shall not be used. 1.3 Environmental RH and Temperature must be within specification at all times. 1.3.1 Required operational RH (45% to 60%) and temperature (20˚C-27˚C) shall always be observed in the Production Area. 1.3.2 Activities on ‘Out-of-Spec RH or Temperature OCAP’ shall be performed if encountered out-of spec RH and Temperature. 1.3.2.1 Refer to WI No.: 013-058-06 SemiQ Burn-In Out-of-Control Action Plan (OCAP) 2.0 Proper Lot Handling for Loading and Unloading Process: 2.1 Proper lot handling shall be observed for the following activities: 2.1.1 Carrying and moving of tubes containing units to and from workstation 2.1.1.1 Inner box shall be retained at Stores Area. 2.1.2 Loading and Unloading Device into/from BIB sockets 2.1.3 Loading / Unloading of burn-in boards into/from the trolley. 2.1.4 Transporting Burn-In Boards within and outside Production Area. 3.0 Loading of unit into BIBs: 3.1 Preparation: 3.1.1 Withdrawal of Lots: 3.1.1.1 Team Leader shall count and withdraw the lot/s for Burn-In from Stores Area. 3.1.1.4.1 Lots withdrawn from the Stores Area shall be logged on a logbook indicating, but not limited to, the date, lot ID, quantity, name of the Team leader, and the signature/acknowledgement from the QC. 3.1.1.4.2 Assigned operator shall do the lot withdrawal in case of absence of Team Leader. This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 4 of 16 3.1.2 Lot Splitting: 3.1.2.1 Team Leader shall perform lot splitting depending on BIB and socket availability or oven capacity. 3.1.2.4.1 Assigned operator shall do the lot splitting in case of absence of Team Leader. 3.2 Visual Inspection of BIBs: 3.2.1 Check PM sticker of BIBs. Ensure that they are not yet due for PM. BIBs due for PM must not be used and shall be endorsed to EE Technician for PM activity. PM Sticker 3.2.2 Inspect the visual and mechanical appearance of BIBs. The BIB shall be free from the following defects: 3.2.2.1 Missing, broken, burnt component or test points 3.2.2.2 Delaminated trace 3.2.2.3 Component/test points with loose connection 3.2.2.4 Damaged/broken/cracked sockets This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 5 of 16 3.2.2.5 Cracked, broken, delaminated, excessive scratches and lead residue on BIB Edge Finger (Top, Side & Bottom) 3.2.3 If any defect is seen during visual Inspection: 3.2.3.1 If socket related, decertify the socket by placing Kapton tape then update the ‘Defective Socket Monitoring’ sheet of the ‘Shiftly Report’ file, and inform EE technician. 3.2.3.2 If it affects the functionality of the BIB, Decertify BIB/s and place yellow sticker and with accomplished Decertified BIB Tag prior endorsing of BIB to EE Technician to easily identify the bad socket. 3.2.4 Update the Lot Traveler by filling up “DATE & TIME IN” and “BIB Visual Inspect by:” 3.3 Placement of document: 3.3.1 Proper placement of document on trolley shall be followed and observed for every lot for process. 3.3.1.1 Burn-In Lot Traveler shall be placed on top of the 1st BIB of the lot/sub-lot. This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 3.4 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 6 of 16 Loading of units into sockets: 3.4.1 Positioned the BIB horizontally on the working table. Edge finger side shall be placed on the right side. 3.4.2 Check the required device orientation on the BIB. Unit/s shall be loaded following the device orientation guide: Device Orientation Guide This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 7 of 16 3.4.3 Remove tube tube endplug using endplug remover then unload units to transfer jig (if available) or directly at ESD mat. 3.4.4 Position the jig (if available) with units at the upper part of the BIB following the correct device orientation guide. 3.4.4.1 Units shall be arranged in correct orientation (device marking is visible and leads is at the bottom portion) prior loading. Units positioned above Burn-in Board This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 8 of 16 3.4.5 Pick up the unit from transfer jig/ESD mat one by one and insert into the socket. 3.4.5.1 Use anti-static finger cots when in direct contact of units. 3.4.5.2 Careful picking of unit shall be observed and avoid fast and sudden movement. 3.4.5.3 Correct orientation and proper seating of units shall be checked. This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 9 of 16 3.4.6 Follow the loading sequence on loading units from transfer jig/ESD mat to burn-in board. 3.4.6.1 Defective sockets shall be skipped. Pick up sequence for right-handed START HERE Pick up sequence for left-handed START HERE Loading of unit START HERE Loading of unit START HERE A. Loading Sequence (for right-handed) B. Loading Sequence (for left-handed) This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 10 of 16 3.4.7 One (1) BIB shall contain one Lot ID only. Mixing of 2 or more lots in a BIB is not allowed. 3.4.8 Production operator shall carefully insert the BIBs loaded with units into the trolley starting from the upper-left slot down to lower-left slot then to upper-right slot down to lower right slot unless otherwise slot is identified to be defective. 3.4.8.1 One-slot apart shall be observed. 3.4.8.2 Production operator shall insert first the BIBs with fresh lot/sub-lot on the allotted BIB slot and provide at least 2 vacant slots, if there is an extra slot allotted for the device, and then load the BIBs for Re-BI of the same Lot. 3.4.9 All unit/s dropped on production floor are considered reject. 3.4.9.1 Reject unit/s shall be segregated and place in a shielding bag and an accomplished reject slip. 3.5 Update the Burn-In Lot Traveler. 3.5.1 Fill up BIB# and the quantity of units loaded per BIB. 3.5.1.1 When filling up the BIB# in the Burn-In Lot Traveler, write the first line with the ‘device number’ followed by the three-digit ‘serial number’ (e.g. 12345-001). 3.5.1.4.1 A ‘dash’ and a ‘serial number’ (e.g. -002) can be written on the subsequent lines provided that the ‘device number’ is common to all BIB and must be aligned to the serial number in the first line, otherwise write all the BIB#. 3.5.2 Fill up “QTY IN”, “DONE BY”, “REJ QTY” (Reject Quantity), “REJ RATE” (Reject Rate), “DATE & TIME OUT” and “QTY OUT” of the “Board Load” process row. 3.6 Second check of proper orientation and seating of unit: 3.6.1 Identified qualified operator shall visually check proper orientation and seating of units per BIB after board load process. 3.6.1.1 2nd check shall be conducted on the specified work table. 3.6.2 After all devices were verified correct in orientation and proper seating, update the Lot Traveler by filling up “2nd Pin 1 Check by:” This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 3.7 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 BIB Resistance Check: 3.7.1 Using DMM, perform 100% resistance check by measuring the resistance supply tab/s with respect to the ground. There shall be no shorted reading (display reading is less than 100 Ω). 3.7.1.1 The negative test probe (color Black) of DMM shall be in contact with GND (Supply Tab 1) and the positive test probe (color Red) shall be in contact with the remaining tab/s (Supply Tabs 2-7) depending on the number of required tabs per device. 3.7.1.2 Refer to Resistance Reading Matrix file for the resistance specification. 3.7.2 Make sure to also check all BIB supply tabs and these tabs shall not be shorted with each other. 3.7.3 If BIB resistance failed, perform troubleshooting to determine if the problem is unit or BIB related. If the problem is the unit, isolate which is causing shorted or low resistance reading then reject the unit. If the problem is the BIB, unload the units and endorse it to EE Technician (EE area) for repair. 3.7.3.1 For out-of-tolerance resistance reading, perform isolation to identify the unit with low or high resistance for possible wrong orientation, mis-seated or defective unit. 3.7.3.4.1 Redo BIB resistance check after units in wrong orientation/mis-seated has been put in correct orientation/proper seating. 3.7.4 Update the Lot Traveler by filling up “Resistance Check by:” Page 11 of 16 VBB GND This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 12 of 16 4.0 Unloading of units from BIBs: 4.1 For Housekeeping, ESD and Environmental Conditions Compliance, refer to item# 1.0. 4.2 Placement of document: 4.2.1 Proper placement of document on trolley shall be followed and observed based on the lot for process. 4.2.1.1 Burn-In Lot Traveler shall be placed on top of the 1st BIB of the lot/sub-lot. 4.3 100% Visual Inspection of sockets and/or units: 4.3.1 While still loaded in BIBs, 100% visual inspection shall be performed to check for missing, burnt, blistered or discolored units. 4.3.1.1 Record “DATE & TIME IN” and “QTY IN” on the Traveler if there is no missing unit. 4.3.1.4.1 Quantity verification shall be performed if socket has missing unit. 4.3.1.2 For any rejects found, segregated the unit/s and place in a shielding bag with an accomplished reject slip. 4.3.2 Inspect the visual appearance of BIBs. The BIB shall be free from the following defects: 4.3.2.1 Missing, broken or burnt component 4.3.2.2 Damaged/broken/cracked sockets 4.3.3 Update the Lot Traveler by filling up “BIB Visual Inspect by:” 4.4 100% Fuse Check: 4.4.1 Using DMM, perform 100% fuse check. 4.4.1.1 Units affected with blown fuse shall be segregated. Follow Blown Fuse OCAP. 4.4.1.4.1 Reject unit/s shall be segregated and place in a shielding bag and an accomplished reject slip. 4.4.1.2 Record POST BI reject on Lot Traveler and update the Lot Traveler by filling up “Fuse Check by:” Main Fuse This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 4.5 Originator: Aljon R. Sotto Location: Production Area BIB Resistance Check: 4.5.1 Using DMM, perform 100% resistance check by measuring the resistance supply tab/s with respect to the ground. There shall be no shorted reading (display reading is less than 100 Ω). 4.5.1.1 Refer to Resistance Reading Matrix file for the resistance specification. 4.5.2 If BIB resistance failed, isolate which is causing shorted or low resistance reading then reject the unit. 4.5.3 Update the Lot Traveler by filling up “Resistance Check by:” Approval Date: 09302021 Review Schedule: 09302023 Page 13 of 16 VBB GND 4.6 Unloading of Units from BIBs: 4.6.1 Positioned the BIB horizontally on the working table. Edge finger side shall be placed on the right side. This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 14 of 16 4.6.2 Position the jig (if available) at the upper part of the BIB. 4.6.3 Unload the unit from BIB socket one by one and place into the transfer jig (if available) or directly at tube. 4.6.3.1 Use anti-static finger cots when in direct contact of units. 4.6.3.2 Remove tube endplug using endplug remover. 4.6.3.3 Careful picking and insertion of unit directly into tube shall be observed if transfer jig is not available. This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 15 of 16 4.6.4 Unloading of units from the BIB shall follow the sequence below. Pick up sequence for right-handed START HERE A. Unloading Sequence (for right-handed) Pick up sequence for left-handed START HERE Unloading of unit Unloading of unit START HERE START HERE B. Unloading Sequence (for left-handed) This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use SEMIQ BOARD LOADING AND UNLOADING WORK INSTRUCTION WI No.: 013-058-02 Rev. No.: 00 Originator: Aljon R. Sotto Location: Production Area Approval Date: 09302021 Review Schedule: 09302023 Page 16 of 16 4.6.5 Carefully place the units to its carrier (tube) observing correct orientation. 4.6.5.1 Place end plug to secure units inside the tube. Check the end plugs and replace loose end plugs to avoid dropping of units on the floor or in the box. 4.6.5.2 The maximum number of tubes to be bundled is ten (10). Use ESD rubber bands. 4.7 Properly segregate rejects: 4.7.1 Check/verify BIB sockets for any units left after unloading. 4.7.2 All unit/s dropped on production floor are considered reject. 4.7.2.1 Reject unit shall be segregated and place in a shielding bag and an accomplished reject slip. 4.8 Lot Quantity Verification and Updating Record: 4.8.1 Count the units. Actual lot quantity must tally with the Lot Traveler. 4.8.2 Update the Lot Traveler by filling up “DONE BY”, “REJ QTY” (Reject Quantity), “REJ RATE” (Reject Rate), “DATE & TIME OUT” and “QTY OUT” of the “Board Unload” process row. Reference/s: 1. Doc. No. 013-058 “Burn-In Procedure for SemiQ Devices”, latest revision 2. Doc No. 013-058-06 “SemiQ Burn-In Out-of-Control Action Plan (OCAP)”, latest revision This is the ‘CONTROLLED’ electronic version of the document. Any re-produced copies not bearing the ‘Controlled Copy’ stamp in red is by definition ‘UNCONTROLLED’ and may not be suitable for use