Poke yoke is a Japanese term for mistake-proofing processes to prevent inadvertent errors, exemplified by sensor mechanisms that stop production lines or alert operators to potential hazards. Kaizen refers to the philosophy of continuous improvement through small changes, while ECN (Engineering Change Note) is a procedure managed by the R&D department to implement vendor-requested changes in raw materials for cost savings. The ECN process involves verifying product reliability and dimensions before approval and communication with internal teams.

1. What is Poke Yoke ?
Poke yoke is a Japanese term that means "mistake-proofing" or "inadvertent error
prevention". A poka-yoke is any mechanism in any process that helps an equipment
operator to avoid mistake.
In production area –
1) When The line is running during production process sometimes material get finished Then
we have sensor in a machine due to which atomically line stop .
2) During Reel type tape inspection on machine if there is any piece missing in reel then
sensor automically deduct .(not count quantity)
3) In our factory as there is a sensor deduct for smoke and fire due to which it deduct any
danger of fire and make alarm sound. To warn people.

2. KAIZEN :-
'kai’ meaning ‘change’
‘zen’ meaning ‘good’.
So meaning of Kaizen is - Continuous Small changes for good .

3. ECN- it stands for Engineering change
note .
Why we do ECN?
Cost saving
Defect occurs in running production to avoid
RM change
Customer Request

4. Procedure of ECN
 Basically is Managed by R&d Department
 In Ecn customer Request to vendor they need change in Raw material
To save cost of a product
 Vendor R&d team check whether is good to Take ECN or not for product.
 Then again sample make and Again product verification /dimension/reliability of a product done
and R&d will share ecn approval document to customer with current stock of FG and Raw
material.
 After approval done R&d team will notify to Internally department that part is approved and
quality team internally manage all the things .